Download or read book Encyclopedia Brown Double Mystery #4 written by Donald J. Sobol and published by Penguin. This book was released on 2012-12-18 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: This special introductory offer features some of Encyclopedia Brown's first cases ever: “The Case of the Diamond Necklace” and “The Case of the Knife in the Watermelon.” These stories are great for readers new to the series and wonderful nostalgia for those who grew up solving mysteries with the boy detective.