Silica Puzzles

Books

Books

Browse puzzle books, STEM challenges, and learning collections.

1000 Math Crossword Puzzles for Kids 8-12 cover

1000 Math Crossword Puzzles for Kids 8-12

1000 math crossword puzzles for kids to develop critical thinking and problem-solving skills.

KidsMathsPuzzle BooksAge 5-8
1000 Mathe-Kreuzworträtsel-Challenge für Kinder von 8–12 Jahren cover

1000 Mathe-Kreuzworträtsel-Challenge für Kinder von 8–12 Jahren

1000 lustige Mathe-Kreuzworträtsel für Kinder von 8–12 Jahren – Logikrätsel, Kopfrechnen und Denksport für clevere Kids ohne Bildschirm.

KinderMathematik & LogikDeutschAge Kinder (8–12 Jahre)
500 Large Print Math Crosswords for Seniors cover

500 Large Print Math Crosswords for Seniors

500 large print math crossword puzzles for seniors to stay mentally active.

SeniorsMathsPuzzle BooksAge Seniors
CrossMath – 200 Math Crossword Puzzles for Adults cover

CrossMath – 200 Math Crossword Puzzles for Adults

Progressive arithmetic logic grids for daily practice.

AdultsMathsPuzzle BooksAge Adults
CrossMath – 200 Mathe Kreuzworträtsel für Erwachsene cover

CrossMath – 200 Mathe Kreuzworträtsel für Erwachsene

200 Mathe-Kreuzworträtsel für Erwachsene – Denksport mit Addition, Subtraktion, Multiplikation und Division für tägliches Gehirnjogging.

ErwachseneMathematik & LogikDeutschAge Erwachsene
Travel Sudoku Puzzle Journal: 16×16 Alphabet Edition cover

Travel Sudoku Puzzle Journal: 16×16 Alphabet Edition

50 medium-to-hard 16×16 alphabet Sudoku puzzles with journaling space for travel memories and reflections.

TravelAdultsSudokuPuzzle BooksAge Adults
Travel Sudoku Puzzle Journal: 9×9 Edition cover

Travel Sudoku Puzzle Journal: 9×9 Edition

50 travel-friendly Sudoku puzzles with journaling space for memories and reflections.

TravelAdultsSudokuPuzzle BooksAge Adults
Travel Sudoku Puzzle Journal: Arrow Edition cover

Travel Sudoku Puzzle Journal: Arrow Edition

50 medium-to-hard Arrow Sudoku puzzles with journaling space for travel memories and reflections.

TravelSudokuPuzzle BooksAge Adults
Travel Sudoku Puzzle Journal: Jigsaw Edition cover

Travel Sudoku Puzzle Journal: Jigsaw Edition

50 medium-to-hard Jigsaw Sudoku puzzles with journaling space for travel memories and reflections.

TravelSudokuPuzzle BooksAge Adults