The adventures of the Shoebox Zoo continues as Marnie's quest crosses the Great Ocean to North America. Joined by her friend Kyle, Marnie follows the trail of riddles and clues as she tries to find the Book of Forbidden Knowledge - but she's not the only one - the evil Toledo returns, aided by a TV clairvoyant who craves the fame and recognition that the Book might bring.

There are more new characters to meet - Kyle's grandfather, Nathaniel, an elder of his Native American tribe who is a Keeper of Many Secrets - as well as a new member of the Shoebox Zoo - Hunter, an Indian woodcarving of a galloping horse, brought to life by ancient magic.