Pete finds that the strange noise he hears coming from the toilet is a pink alligator, who can change appearances at will into a mouse, spider, or a dog, is an alien from the planet Galunk.
After having left Russia to live in freedom in Latvia, Sasha finds his adopted country increasing under threat of invasion from Hitler's growing war machine.
Kaleb leaves his farm to search for Jayhawk, the family's quarterhorse, who ran away during the mayhem created by Frank James's looting spree.
Josh and his father begin scuba diving lessons together as Josh attempts to live up to his father's high expectations and gain his respect.
After the death of his mother, Miguel is sent to live with his Uncle Small Bear on the Pine Ridge Indian Reservation in South Dakota.
After P.J. and his family move to Texas, he has trouble fitting in at his new school and finds himself increasingly ashamed of his deaf father, but when he joins the chess club he finds his life turning around for the better.
To earn money for football camp, Joshua reluctantly becomes a golf caddy and solve a mystery on the course.
The reader is invited to join Cody and Maria as they try to solve mysteries that happen on various holidays.
Gabby must find the courage to help rescue her classmate Jennifer, a girl who had teased Gabby in the past, from a dangerous causeway on top of a mountain trail.
Two inner-city boys spend the weekend mountain climbing. After straying from the trail, they are trapped in a narrow gorge with two prison escapees and a hungry mountain lion on the loose.
While on a field trip to study native plants, Kenneth and Aleesa are transported to Hawaii in the 1890s, where they see first-hand the final days of the reign of Queen Liliuokalani and learn about native rights.
David travels back in time to 1906 San Francisco to try to save the lives of Antonio Giovanni and his family who were victims of the devastating earthquake.
David and his family travel back in time to California in 1849 to experience the ups and downs of prospecting for gold.
David and his family meet William Henry Lewis, an African American football hero who travels to the future with them when he's injured.
David and his family travel back in time to San Antonio, Texas in 1836 and meet such brave defenders of the Alamo as Davy Crockett.
David and his family travel back in time to 1880 to experience life in the American South as the Reconstruction era following the Civil War came to an end.
David and his family use his grandfather's time travel machine to go back in time to the Chicago World's Fair in 1893.
David and his family use his grandfather's time travel machine to travel to 1853 Ohio, where they assist runaway slaves on their journey north on the Underground Railroad.
Kenneth and Aleesa, working on an extra credit project about Socrates, suddenly find themselves in ancient Athens, where they meet the famous philosopher and try to save his life.
Brothers Tim and Josh find themselves alone in the wilderness after surviving a plane crash in which the pilot dies and must make their way back to civilization.
Zack's dad drives him to his new middle school in the bug truck, and his new classmates tease him about his father's pest-control business. How can he handle the hassles?
While studying migrant farm workers of the 1960's, Kenneth and Aleesa travel back in time and meet Cesar Chavez during the farmworkers' strike for fair treatment and better pay. Can they protect Chavez and his dream for his people from sabotage?
Judd dreams of becoming a firefighter, but his dad wants him to work on the family ranch. When a city kid with a know-it-all attitude and a motorcycle comes to his valley for the summer, a forest fire breaks out. How will Judd prove himself?
When a classmate is accused of stealing, Kevin decides to solve the crime.
Max is bored with his grandfather's tales of Norway's Resistance movement against the Nazis in World War II, until he travels back in time and finds himself participating in a raid to free captured Resistance fighters.