"An adventurous cat named Sam explores her neighborhood at night, and maps of all types reveal her journey, illuminating different points of view and the various spots Sam visits"--

Finding an old map, Gabe and his friends follow clues to a secret chamber beneath San Francisco, where they perform what they think is a friendship ritual before strange events reveal a sinister cult from a parallel realm.

"When a series of mysterious deaths shakes her island community, thirteen-year-old Isabella, daughter to the island's only mapmaker, volunteers to lead a party of explorers into the forest in search of answers. As the group ventures deeper and deeper into the island, dark secrets begin to surface, and the legends Isabella has listened to all these years show signs of coming to life"--

From the critically acclaimed author of The Book of M, a highly imaginative thriller about a young woman who discovers that a strange map in her deceased father's belongings holds an incredible, deadly secret--one that will lead her on an extraordinary adventure and to the truth about her family's dark history. What is the purpose of a map? Nell Young's whole life and greatest passion is cartography. Her father, Dr. Daniel Young, is a legend in the...