The boy detective is back with ten new exciting adventures Since 1963, when Dutton published Encyclopedia Brown, Boy Detective, the first book in the series, the brainy crime-stopper has been a favorite character among middle-grade readers. Following the classic formula, this new installment presents ten new mysteries, complete with answers at the end of the book that allow the reader to solve the cases along with the boy detective. Join Encyclopedia as he takes on cases of an African killifish, a library book vandal, and a nail-biting soccer game.