click to enlarge

The Case of the Case of Mistaken Identity (Brixton Brothers, Book 1)
Mac Barnett
Twelve-year-old Steve Brixton loves the mystery novels about the Bailey Brothers and wants to become a detective. He gets his chance, however, much sooner than he expected.

While working on a school assignment at the library, Steve tries to check out a book. Suddenly the lights go out and all pandemonium breaks loose. Ninjas descend from the skylights and Steve comes face to face with a man pointing a gun at him!
Steve narrowly escapes, finding himself instead captured by Librarian Secret Agents. These clever agents use Library of Congress numbers to communicate. It is up to Steve to figure out the mystery involving a priceless artifact that is missing.

Mistaken for a real detective, Steve—consulting his handy Bailey Brothers’ Detective Handbook— must use his wits and sleuthing skills to elude librarian agents, police, and the mysterious