Killer Sudoku

by Tim Dedopulos

Published 9 January 2020

Continuing the popular Overworked & Underpuzzled series, Killer Sudoku contains almost 200 tricky puzzles requiring a certain amount of logic and skill to solve. Killer Sudoku is often seen as the most challenging Sudoku, and so this is the perfect puzzle book for anyone who loves to be tested during their coffee break.

With nearly 200 puzzles, this is a tricky collection perfect for anyone who works too hard and likes to reset their mental faculties with a classic logic test.


Calming Crosswords

by Tim Dedopulos

Published 9 January 2020

Continuing the popular Overworked & Underpuzzled series, Calming Crosswords contains more than 100 crossword puzzles certain to stretch the brainpower of every puzzle-lover. The crosswords have been designed to give your vocabulary and lateral thinking skills a good work-out, but not to be unachievable for the average crossword-puzzler.

This is the ultimate challenge for anyone who works too hard and deserves to let their brain relax into a calming crossword collection.