Break-Through Su Doku: From Difficult to Fiendish

ISBN-13: 9780007302215 / Angielski / Miękka / 2009 / 208 str.

Opis

Best-selling Su Doku Guru, Wayne Gould, offers the secret to improving your Su Doku skills in this brand new collection of the world's favourite puzzle. Complete with solving hints, this instructional book helps puzzlers to progress to the next level of difficulty.