Download or read book Colossal Grab a Pencil Book of Logic Problems written by and published by . This book was released on 2015-09-07 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: For the first time ever, puzzle guru Richard Manchester has compiled a collection of logic problems. All the answers can be found right in front of you, hidden in the background story and text based clues. So bring your brain power, put on your deductive reasoning hat and get ready to tackle this COLOSSAL challenge!