Rick, a fourteen-year-old foster child, escapes from a juvenile detention facility near Las Vegas and travels to Canyonlands National Park in Utah where he meets a bird biologist working on a project to reintroduce condors to the wild.
When he moves from Los Angeles to Providence, Rhode Island, Kenny discovers that his new house is haunted by the spirit of a black slave boy who asks Kenny to return with him to the early nineteenth century and prevent his murder by slave traders.
Michael and Norman have been given a deadline to get rid of their troublesome, sock-eating plants, and the race to save them leads the boys into their wackiest adventures ever.
Joe Stoshack, a boy who has the ability to travel through time, learns a lesson about dignified behavior in the face of ethnic and racial strife when he goes back to 1947 to meet African-American baseball legend Jackie Robinson.
Twelve-year-old Lucas Whitaker, orphaned in 1849 when his entire family is claimed by consumption, takes a job as an apprentice with Doc Beecher, and learns the truth about the difference between superstition and science.
While learning to sail during a visit to his grandmother's at the Connecticut shore, eleven-year-old Tony becomes excited about the rumors of sunken treasure in the area and starts following a couple who seem to be making a mysterious search for something.