PUZZLE SLEUTH UNDERCOVER: MORE MIND-BENDING MURDER PUZZLE MYSTERIES, by Paul Westmoreland, Ten Speed Young Readers, Jan. 27, 2026, Paperback, $9.99 (ages 10-14)
Choose your path, solve the puzzles, and catch the killer in Puzzle Sleuth Undercover, an interactive read by Paul Westmoreland.
Arlo Banks rose to fame as an amazing puzzle solver. His adventures across the world led him to crack cases that out-foxed the smartest experts and boldest criminal masterminds. Now enrolled in British Secret Intelligence Service’s training program, Arlo faces his deadliest challenges yet in thrilling new adventures that have him unraveling the mystery behind a Hollywood star’s sudden death, investigating the disappearance of an ambassador, and exposing the secrets of a lethal international organization.
As Arlo Banks, you choose what path to take and what puzzles to answer to solve each mystery. —Synopsis provided by Ten Speed Young Readers
Puzzle Sleuth Undercover is the second book in Paul Westmoreland’s Puzzle Sleuth series. The book features three fictional murder mysteries that not only feature logic problems and visual games, but a choose-your-own adventure setup, too.
It’s a fun compilation that will appeal to kids who aren’t fans of traditional novels. They get to be part of the action while reading accessible text that features short chapters and fun illustrations.
The publisher’s suggested age range for Puzzle Sleuth Undercover is 10-14, but the text is easy enough that readers as young as 8 can enjoy it.
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