Big Suguru Book - 400 Hard to Master Puzzles 9x9 vol.2

Suguru, also known as Tectonics or Number Blocks, is a Japanese puzzle invented by Naoki Inaba. The goal is to fill a given rectangular grid with numbers, so that every designated area contains a sequence of non-repeating, consecutive numbers, starting from 1 and going up. Also, adjacent (touching) cells should not contain the same number, even diagonally.

• | Author: David Smith
• | Publisher: Independently published
• | Publication Date: Jan 24, 2019
• | Number of Pages: 229 pages
• | Language: English
• | Binding: Paperback
• | ISBN-10: 179502819X
• | ISBN-13: 9781795028196