Hardcore Puzzler

Puzzle books

97 books in 36 series. Most series come in several difficulty levels, so pick the level that suits you. Every button opens the book on Amazon.com.

Showing 36 series

Cover of Hard Core Calcudoku 500 Tough Puzzles for Adults

Hard Core Calcudoku 500

500 puzzles , 8.5 x 11 in. Fill the grid so every cage hits its target using + − × ÷.

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Cover of Hard Core Hashiwokakero 200 Puzzles for Adults

Hard Core Hashiwokakero 200

200 puzzles , 8.5 x 11 in. Connect the islands with bridges. Every number must be satisfied.

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Cover of Hard Core Sudoku 500+ Tough New Puzzles

Hard Core Sudoku 500+

500+ puzzles , 8.5 x 11 in. Classic 9x9 logic, plus giant grids and merged multi-grid variants.

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Cover of Hard Core Sudoku 250 Large Print Puzzles - 1

Hard Core Large Print Sudoku 250

250 puzzles per book, Large Print. Classic 9x9 logic, plus giant grids and merged multi-grid variants.

Volume 1 Volume 2
Cover of Hard Core Samurai Sudoku 200 Puzzles

Hard Core Samurai Sudoku 200

200 puzzles , 8.5 x 11 in. Classic 9x9 logic, plus giant grids and merged multi-grid variants.

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Cover of Hard Core 16x16 Sudoku 200 Tough Puzzles for Adults

Hard Core 16x16 Sudoku 200

16 puzzles , 8.5 x 11 in. Classic 9x9 logic, plus giant grids and merged multi-grid variants.

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Cover of 2000 Ultimate Extreme Sudoku Puzzles for Adults

2000 Ultimate Extreme Sudoku

2000 puzzles , 8.5 x 11 in. Classic 9x9 logic, plus giant grids and merged multi-grid variants.

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Cover of 157 Large Print Sudoku Puzzles for Adults - Novice

157 Large Print Sudoku

157 puzzles per book, Large Print. Classic 9x9 logic, plus giant grids and merged multi-grid variants.

Novice Adept Master
Cover of 157 Large Print Killer Sudoku Puzzles for Adults - Novice

157 Large Print Killer Sudoku

157 puzzles per book, Large Print. Sudoku with cages and sums. Arithmetic and logic at the same time.

Novice Adept Master
Cover of 157 Large Print Calcudoku Puzzles for Adults - Novice

157 Large Print Calcudoku

157 puzzles per book, Large Print. Fill the grid so every cage hits its target using + − × ÷.

Novice Adept Master
Cover of 180 Large Print Hidoku Puzzles for Adults - Novice

180 Large Print Hidoku

180 puzzles per book, Large Print. Trace an unbroken number path from first to last.

Novice Adept Master
Cover of 157 Large Print Futoshiki Puzzles for Adults - Novice

157 Large Print Futoshiki

157 puzzles per book, Large Print. Latin squares steered by greater-than and less-than signs.

Novice Adept Master
Cover of 180 Large Print Hashiwokakero (Bridges) Puzzles for Adults - Novice

180 Large Print Hashi (Bridges)

180 puzzles per book, Large Print. Connect the islands with bridges. Every number must be satisfied.

Novice Adept Master
Cover of 180 Large Print Kakuro Puzzles for Adults - Novice

180 Large Print Kakuro

180 puzzles per book, Large Print. Crossword-style sums with no repeated digits.

Novice Adept Master
Cover of 180 Massive Minesweeper Puzzles for Adults - Novice

180 Massive Minesweeper

180 puzzles per book, 8.5 x 11 in. The classic game, on paper, with full-page grids.

Novice Adept Master
Cover of 260 Large Print Number Search Snake Puzzles Book for Adults

260 Number Search Snake

260 puzzles , Large Print. Relaxed searching for when you want a lighter session.

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Cover of 100 Butterflies of the World Word Search Puzzles for Adults

100 Butterflies Word Search

100 puzzles , 8.5 x 11 in. Relaxed searching for when you want a lighter session.

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Cover of Hard Core Futoshiki 400 Tough Puzzles for Adults

Hard Core Futoshiki 400

400 puzzles , 8.5 x 11 in. Latin squares steered by greater-than and less-than signs.

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