Idaville's secret weapon against lawbreakers, ten-year-old Leroy "Encyclopedia" Brown, helps the police force solve ten new cases, the solutions to which are found in the back of the book.

"With a knack for trivia, Encyclopedia solves mysteries for the neighborhood kids through his detective agency. But his dad is also the chief of police, and every night, Encyclopedia helps him solve his most baffling crimes. Join Encyclopedia Brown as he solves ten confounding mysteries, including the theft of a diamond necklace, a bank robbery that happened in broad daylight, the case of the missing roller skates, and more. And with the clues given...

"This superb, fully illustrated reference offers the most up-to-date and essential facts on the identity, kinships, locations, populations and cultural characteristics of some 400 separately identifiable peoples native to the North American continent, both living and extinct, from the Canadian Arctic to the Rio Grande."--

Presents information about animals ranging from vampire bats and tarsiers to oarfish and bumblebees.

"This encyclopedia highlights 20 different horses. Alongside colorful photographs of both adult horses and foals, readers learn about the history, the appearance, and the training of various horse breeds." --

Encyclopedia Brown, the super sleuth in sneakers, solves ten new mysteries, including "The Case of the Slippery Salamander, " "The Case of the Banana Burglar, " and "The Case of the Dead Cockroach."

Overview: The boy detective is back in another exciting adventure. Encyclopedia Brown is back, protecting Idaville from swindlers, con men, and thieves in Encyclopedia Brown, Super Sleuth. Since 1963, this brainy crime-stopper has been a favorite character among middle-grade readers. Follow the boy detective on ten separate mysteries, complete with answers at the end.

Once again America's 10-year-old Sherlock Holmes in sneakers is called upon to help his police-chief father and the neighborhood children solve 10 mysteries.

The ten-year-old detective continues his war on crime in Idaville through ten more cases, for which the reader is invited to guess the solution before it is revealed.

The solutions to 10 mysteries solved by Leroy "Encyclopedia" Brown are given in a separate section, challenging the reader to match wits with the 10-year-old mastermind of Idaville's war on crime.