(3) 4-6 Illustrated by Sarah Watts. Emily Crane (Book Scavenger; The Unbreakable Code) is feeling the pressure of her outsized reputation as a puzzle-solver at publisher Garrison Griswold's elaborate mystery game night on Alcatraz Island. Then an actual mystery involving a reclusive author arises. Readers can work the puzzles alongside Emily and friends in this cheery celebration of San Francisco landmarks, ciphers and codes, and close friends working as a team.

Reviewer: Anita L. Burkam

(3) 4-6 Illustrated by Sarah Watts. When their teacher, Mr. Quisling, begins a furtive book quest that results in fires around San Francisco, puzzle aficionados Emily and James (Book Scavenger) try to discover who's setting the fires, while simultaneously solving a Mark Twain–related "unbreakable code" to find treasure. Cryptographers and mystery lovers will enjoy following the clues as the smart plot and whom-to-trust character development keeps readers guessing.

Reviewer: Anita L. Burkam

(2) 4-6 Illustrated by Sarah Watts. Garrison Griswold, mastermind of the hidden-book game, Book Scavenger, is mugged; his new edition of an Edgar Allan Poe story is missing. Twelve-year-old Emily and fellow code-enthusiast James find the book and discover typos in the text that spell out words. Codes and ciphers star in this puzzle-game of a novel. An intriguing author's note gives further information on Poe's love of ciphers.

Reviewer: Anita L. Burkam | Horn Book Magazine Issue: September, 2015