You can listen to this audiobook in formats: MPEG-4 SLS, MPEG4, Musepack, WAV, FLAC, WMA, MP3 (compression CPIO, RAR, AZW4, ZIP, CAB, CBC)
Total pages original book: 320
Includes a PDF summary of 28 pages
Duration of the summary (audio): 21M41S (5.6 MB)
Description or summary of the audiobook: Watch out! These puzzles are for the most extreme solvers! But if you dare, grab a pen and take on these two hundred all-new extra challenging puzzles.Features: - 200 hard puzzles- Big grids for easy solving- Introduction by legendary puzzlemaster Will Shortz