CalcuDoku Hard: Hard Logic Puzzles Collection

By Kevin Vagner

Are you ready for the next generation of CalcuDoku that is certain to blow your mind?

Taking CalcuDoku puzzles to a whole new level, CalcuDoku Hard is a book that is designed for professional puzzlers who are looking for a real challenge. But, if you think you've got what it takes to take them on and win, get a copy now and test yourself like never before.

Don't delay. Get a copy of CalcuDoku Hard today

• Format: Paperback
• Language: English
• ISBN: 1976737125
• ISBN13: 9781976737121
• Release Date: December 2017
• Publisher: Independently Published
• Length: 106 Pages
• Weight: 0.37 lbs.
• Dimensions: 0.3" x 6.0" x 9.0"