Geometry Snacks
$12.95
Geometry Snacks is a mathematical puzzle book filled with geometrical figures and questions designed to challenge, confuse and ultimately enlighten enthusiasts of all ages. Each puzzle is carefully designed to draw out interesting phenomena and relationships between the areas and dimensions of various shapes. Furthermore, unlike most puzzle books, the authors offer multiple approaches to solutions so that once a puzzle is solved, there are further surprises, insights and challenges to be had. By Ed Southall and Vincent Pantaloni. Paperback, 61/4" x 61/4", 92 pages (2017).

Without Words
$12.95
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In this book solving puzzles is practised in a different way from most books they will have seen before:
 Readers get no clues to what the puzzle is about
 They may take hours or even days to work out what is being asked of them
 Even after that, some problems may have no solution
The result of this challenge is a really challenging book that will fascinate anyone interested in puzzles and recreational mathematicians in particular. This volume contains 36 puzzles ranging from quite easy to more difficult. By James Tanton. Paperback, 6" x 8" (2015).

More Without Words
$12.95
In this book solving puzzles is practised in a different way from most books they will have seen before:
 Readers get no clues to what the puzzle is about
 They may take hours or even days to work out what is being asked of them
 Even after that, some problems may have no solution
The result of this challenge is a really challenging book that will fascinate anyone interested in puzzles and recreational mathematicians in particular. This volume contains 36 puzzles (different than those in Without Words, of course) ranging from quite easy to more difficult. By James Tanton. Paperback, 6" x 8" (2015).

Path Puzzles
$11.95
If you like Sudoku or Ken Ken, but you're ready for something new, you're going to love Path Puzzles. Path Puzzles are maps of information describing a hidden path of safety through a room filled with pitfalls. Seven levels of difficulty will transform you into a master pathfinder. For the truly intrepid, a bonus chapter adds encrypted clues, giving the puzzles an added dimension. You'll have fun while building your abstract reasoning and mathematical skills. Path Puzzles are the next wave in puzzling! By Roderick Kimball. Paperback, 8.7" x 5.4", 105 pages (2013).

Tarquin Mathematical Challenges
$14.95
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By John Plant. The challenges in this book are mainly designed for able mathematicians in upper primary or lower secondary although many of the tasks are appropriate for a much wider range of ages. Each task has a Task Sheet describing the challenge and Explanatory Notes that include learning objectives, resources implications, advice, answers and possible further study. Teachers and parents will find it invaluable. The challenges are graded in terms of their accessibility to a wide range of ability (rather than in terms of difficulty). Many of the challenges are presented as practical problems to help pupils develop their mathematical thinking. 62 pages, 91/2" x 61/2", paperbound (2014).

Tarquin Number Challenges
$14.95
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By Gerald Jenkins and Magdalen Bear. Anyone looking for number puzzles to stretch and intrigue will be delighted with the contents of this original book. The demanding challenges explore the properties of numbers and the patterns and hidden relationships which exist between them. Many of the challenges are presented in a visual or diagrammatic way with tables or charts to complete or fill in. 7" x 91/2", 56 pages.
