Description or summary of the book: These fun mysteries are each one minute long and have a unique twist—you need to tap into your mathematical wisdom to solve them.
Estimated reading time (average reader): 10H33M36S
Other categories, genre or collection: Puzzle Books, Children's Hobby & Gaming Books, Sciences
Available formats: LRF, AZW3, PDF, WORD, DOC, TXT, EPUB, ODT. Compressed in TZ, ZIP, RAR, TAR.BZ, TBZ