American Chillers

• #1: Mayhem on Mackinac Island (2000) — A brother and sister on vacation on Mackinac Island discover a fantasy world, and must defeat an evil sorcerer in order to escape.
• #2: Terror Stalks Traverse City (2000) — Two brothers must save Traverse City from a Yeti during Christmas time.
• #3: Poltergeists of Petoskey (2000) — Twins move into a house they realize is haunted and must banish the ghosts from their home.
• #4: Aliens Attack Alpena (2000) — Friends Mark and Meghan discover a spaceship full of aliens who want to take over the world and must stop them.
• #5: Gargoyles of Gaylord (2000) — Corky finds bite marks in his friend that match the teeth of Mr. Hansel's new stone gargoyle.
• #6: Strange Spirits of St. Ignace (2000) — Kevin and his family go camping, not knowing what danger lies ahead.
• #7: Kreepy Klowns of Kalamazoo (2000) — A carnival comes to town.
• #8: Dinosaurs Destroy Detroit (2000) — Friends Nick and Summer find a hole in time that allows them to go back in time to visit the dinosaurs. However, Dinosaurs come back through the portal and destroy the city.
• #9: Sinister Spiders of Saginaw (2001) — Giant spiders rise up through the ground and attack the city of Saginaw.
• #10: Mackinaw City Mummies (2001) — Josh's friend Robyn is kidnapped by a mummy king and he must find a way to save her.
• #11: Great Lakes Ghost Ship (2005) — Two friends become trapped on a ghost ship.
• #12: AuSable Alligators (2005) — While fly fishing Craig hooks an alligator and he must figure out where they are coming from.
• #13: Gruesome Ghouls of Grand Rapids (2007) — Ashlen has the ability to see mystical creatures, but one day she sees an army of ghouls ready to take over her hometown and must stop them.
• #14: Bionic Bats of Bay City (2007) — A group of friends must stop a swarm of bionic bats terrorizing their city.
• #15: Calumet Copper Creatures (2011) — A sister and brother must escape a copper mine and the horrible monsters that live in it.
• #16: Catastrophe in Caseville (2013) — Shelby and her new friend go to the annual cheeseburger festival in Caseville and find a very destructive cheeseburger robot
• #17: A Ghostly Haunting in Grand Haven (2016) — Two friends go ghost hunting with one of their dads and it goes wrong.
• #18: Sault Ste. Marie Sea Monsters (2017) — Horror is waiting in the deep, dark depths.
• #19: Drummond Island Dogman (2017) — For years, Michiganians have passed down tales of a horrifying, half-man, half-dog creature known as Dogman.
• #20: Lair of the Lansing Leprechauns (2020) — When Fern sets out to find the fabled pot of gold, she finds something quite unexpected: a tiny man who resembles an honest-to-goodness leprechaun!

• #1: Michigan Mega-Monsters (2001) — A pair of kids at a camp find a species of gigantic, mutated crayfish in the nearby lake.
• #2: Ogres of Ohio (2002) — A brother and a sister find magical artifacts and must keep them safe from ogres who will use them to destroy the world.
• #3: Florida Fog Phantoms (2002) — Three children must escape a cloud of fog, and the phantoms within it, or they will become trapped in it forever. And forever seems like a very long time.
• #4: New York Ninjas (2002) — A magical mask must be protected by three friends, or else the world will be destroyed by a group of ghost ninjas.
• #5: Terrible Tractors of Texas (2002) — Farm equipment comes to life and attempts to destroy a boy and his cousin on a farm.
• #6: Invisible Iguanas of Illinois (2002) — A girl offers to watch her friend's iguanas, but these iguanas are huge, and invisible.
• #7: Werewolves of Wisconsin (2002) — A group of friends discover werewolves are real with the help of a librarian.
• #8: Minnesota Mall Mannequins (2003) — Aliens take control of mannequins to take over the world, and they have already taken over the Mall of America, trapping two friends inside.
• #9: Iron Insects Invade Indiana (2003) — An angry toy maker wants revenge on a rival by framing him for the destruction of Indiana by an army of robotic locusts.
• #10: Missouri Madhouse (2003) — Three kids who step into a supposedly haunted house late at night may never come out thanks to a boy who died years and years ago.
• #11: Poisonous Pythons Paralyze Pennsylvania (2003) — Three teens must survive one night in the wilderness with the world's deadliest snake on the loose.
• #12: Dangerous Dolls of Delaware (2003) — The doll that belonged to a ghostly child may help her dead spirit have revenge on an innocent young girl.
• #13: Virtual Vampires of Vermont (2004) — Unless two young video game addicts can stop them, an army of vampires from a video game could escape into reality.
• #14: Creepy Condors of California (2004) — When a condor attacks two kids in the Californian woods, they have no idea what they are in for.
• #15: Nebraska Nightcrawlers (2004) — Three friends meet a man who is attempting to make corn grow faster and get bigger. The problem is nightcrawlers have eaten it and grow as long as buses, posing a threat to human lives.
• #16: Alien Androids Assault Arizona (2005) — Aliens disguised as normal people are going to conquer the Earth if two friends do not get in the way.
• #17: South Carolina Sea Creatures (2005) — A boy places a toy similar to Sea Monkeys in water mixed with fertilizer. The toy grows to be a very large, very aggressive, semi-aquatic monster.
• #18: Washington Wax Museum (2006) — A group of robbers will take thousands of dollars in artwork if three kids on a field trip do not stop them in time. (Note that although the events in the previous book were never mentioned, the main character was a side character in South Carolina Sea Creatures.)
• #19: North Dakota Night Dragons (2006) — A group of friends have to stop dragons from conquering a fantasy world, as well as ours.
• #20: Mutant Mammoths of Montana (2007) — A brother and sister on a camping trip in the Montana wilderness soon discover a herd of aggressive subterranean mammoths that evolved after the ice age.
• #21: Terrifying Toys of Tennessee (November 15, 2007) — Three friends must help a toymaker whose experimentation with a new type of battery turned his toys into monsters.
• #22: Nuclear Jellyfish of New Jersey (2007) — After a kid sees a UFO over a resort, giant, mutant, laser-shooting jellyfish destroy a water park. (Note that although the events in the last book are never mentioned, the main character was a character in Terrifying Toys of Tennessee.
• #23: Wicked Velociraptors of West Virginia (February 28, 2008) — After accidentally breaking a scientist's window, two friends offer to repay him by cleaning his lab windows. They find themselves going back in time after he completes a time travel invention experiment. The experiment works, but brings back three unwanted guests.
• #24: Haunting in New Hampshire (May 1, 2008) — After moving into a new house, a girl is plagued by visions that only she can see, and who can also see her.
• #25: Mississippi Megalodon (December 28, 2008) — Three friends go boating on a freshwater lake, but this particular lake is the hunting ground of a 60 ft long prehistoric shark.
• #26: Oklahoma Outbreak (January 28, 2009) — A school becomes the scene of an outbreak of cooties, vicious insects whose bite turns people into zombies, and there is no cure.
• #27: Kentucky Komodo Dragons (May 28, 2009) — While hiking, two siblings discover that Komodo dragons are loose in the forest, and they are extremely vicious.
• #28: Curse of the Connecticut Coyotes (August 24, 2010) — A silly curse from an old witch becomes reality and three friends get trapped in the past.
• #29 Oregon Oceanauts (2010) — Two friends who are training to become divers are called to rescue a chemical barrel from a sunken submarine, but they discover that the chemical makes marine life far more aggressive than usual.
• #30: Vicious Vacuums of Virginia (2010) — Robotic vacuum cleaners come to life.
• #31: The Nevada Nightmare Novel (November 8, 2011) — A novel comes to life.
• #32: Idaho Ice Beast (December 15, 2011) — Two friends wander away from a ski resort to search for a mythical bigfoot creature, but when the creature starts hunting them, things get out of control.
• #33: Monster Mosquitoes of Maine (February 15, 2012) — Mosquitoes grow to enormous sizes and attack Maine.
• #34: Savage Dinosaurs of South Dakota (May 15, 2012) — Two friends who are both dinosaur lovers get a chance to visit a new dinosaur theme-park, complete with mechanical lifelike dinosaurs. The problem is, the dinosaurs are acting a little too lifelike.
• #35: Maniac Martians Marooned in Massachusetts (September 1, 2012) — When a ship containing a race of violent aliens crash-lands on Earth, three friends find themselves fighting for their lives.
• #36: Carnivorous Crickets of Colorado (October 27, 2012) — Two brothers' experiments on crickets mean big trouble for three friends who stumbled across their cricket farm.
• #37: The Underground Undead of Utah (April, 2013) — Three fossil-hunters stumble on a frightening secret.
• #38: The Wicked Waterpark of Wyoming (December 15, 2013) — A sinister world lies beneath the new waterpark, spelling danger for its patrons.
• #39: Angry Army Ants Ambush Alabama (March 15, 2014) — The swamp hides an insect threat.
• #40: Incredible Ivy of Iowa (2014) — A farmer's experiments with super plant food create scary ivy.
• #41: North Carolina Night Creatures (2016) — Sinister creatures emerge during the night.
• #42: Arctic Anacondas of Alaska (2018) — In Fairbanks, Alaska, an old trapper's legend is about to become true. Sasha and her friend Trey, are aware of the old legends of giant snakes that live in the ice and snow.
• #43: Robotic Rodents Ravage Rhode Island (May 30, 2018) — Three friends discover mechanical rodents.
• #44: Arkansas Algae Monsters (December 15, 2020) — Menacing monsters made of algae come to life.
• #45: The Giant Jack-O'-Lantern Of Georgia (June 7, 2023) — Giant jack-o-lantern terrorizes the state.
• #46: Killer Kraken of Kansas (Release date TBA) — Kraken terrorizes a lake in Kansas.
• #47: Movie Monsters Marmalise Maryland (Release date TBA) — Classic monsters from movies terrorizes a drive-in in Maryland.
• #48: Hawaii
• #49: New Mexico
• #50: Louisiana

The American Chillers and the Michigan Chillers series both got new covers to commemorate the series' anniversary in 2005. These covers feature a combination gloss/melkote cover, providing a unique contrast. The new covers are by Dwayne Harris of Kalispell, Montana.

• Official website