From School Library Journal
Grade 4-6 With three new cases, Saxby proves to be the go-to kid for solving mysteries. The boy relies heavily on the power of observation and drawing logical conclusions to find a missing comic worth $100,000 and a treasure in an old house that's about to be demolished and discover who has broken into six children's houses, all in the same teacher's classroom. His faithful friends Izzy and Muddy are wonderful sidekicks who go beyond Saxby's observations with outside investigation and research. The cases can be solved by readers, and the questions posed throughout the text make sure that they are following the clues. Expressive black-and-white cartoons are scattered throughout. Saxby will appeal to mystery fanatics and fans of Nancy Drew, the Hardy Boys, and Encyclopedia Brown. Delia Carruthers, Roxbury Public Library, Succasunna, NJ
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*Starred Review* The canny preteen sleuth introduced in The Curse of the Ancient Mask and Other Case Files (2009) returns for three more unusually meaty mysteries—all solved with a combination of sharp observation and sharper deductive logic—in this second book in the Saxby Smart, Private Detective series. Not for Saxby are the stolen bikes and petty extortions of your typical neighborhood sleuth. The clients who come to his backyard shed bring more substantial fare: a collector reports that one of the most valuable comic books in the world has disappeared from his locked vault; a coded 150-year-old treasure map has been found in a house renovation; and third, and most puzzling of all, several students in the same class report feelings, but no hard evidence, that an intruder has been in their houses. In a matter-of-fact narrative enhanced by plenty of Alley's informally drawn spot art and pages of “handwritten” case notes, Saxby lays out the course of each investigation (pausing occasionally to ask questions of readers to see if they've been paying attention) and the clues that lead to nabbing a crooked comics dealer, digging up a journal that sheds significant new light on an ugly incident in town history, and catching slick identity thieves in the act. Outstanding fare for young armchair Sherlocks. Grades 4-7. --John Peters