
Sidney Vale
Sidney Vale creates books for curious minds, from logic puzzles and whodunit mysteries to relaxing word searches and math adventures for young learners. Explore the collection and find your next challenge.
FOR YOUNG DETECTIVES · GRADES 1–6
The Math Mystery Club
Solve the math. Decode the clues. Catch the culprit. Six grade-level workbooks, each with 12 mystery cases and one secret mastermind.

Grade 1
Addition, subtraction, time & patterns
Solve 12 math mystery cases, decode the clues, and unmask Commander Cupcake.

Grade 2
Addition, subtraction, time & measurement
Solve 12 math mystery cases, decode the clues, and uncover the identity of The Silver Sock.

Grade 3
Multiplication, division, place value & measurement
Solve 12 math mystery cases, decode the clues, and unmask Captain Twinkle.

Grade 4
Multiplication, division, order of operations & measurement
Solve 12 math mystery cases, decode the clues, and unmask The Jackal.

Grade 5
Fractions, decimals, multiplication & order of operations
Solve 12 math mystery cases, decode the clues, and unmask Professor Tater Tot.

Grade 6
Percentages, fractions, decimals & integers
Solve 12 math mystery cases, decode the clues, and unmask The Golden Goldfish.
FOR GROWN-UP PUZZLE LOVERS
Mysteries & Logic Puzzles
Whodunits, logic grids, and one very large getaway-car mystery for anyone who loves a satisfying deduction.

The Candy Shop Whodunits
40 logic mysteries · Easy
Unwrap 40 candy-shop murder mysteries. Follow the clues and use Sudoku-inspired logic to uncover the culprit in each sweet-themed case.

The North Pole Workshop Whodunits
40 logic mysteries · Medium
Follow the clues through 40 Christmas-themed murder mysteries. Use Sudoku-inspired logic to solve each case and uncover the culprit.

Monster Party Logic Grid Puzzles
60 puzzles · Easy to hard
Haunted halls, costume balls, and moonlit carnivals hide 60 logic grid mysteries. Follow the clues, rule out the impossible, and find the only answer that fits.

The Vanishing Getaway Car
One giant mystery puzzle
One getaway car. 23,456 possible license plates. Follow 12 clues, eliminate the possibilities, and uncover the single plate that solves the mystery.
Large-Print Word Searches
Relaxing puzzles in large, easy-to-read print, made for adults and seniors.

Cozy Christmas Word Search
100 large-print puzzles
Pour a warm drink and settle in. 100 festive puzzles celebrate holiday traditions, Christmas baking, carols by the fire, and cherished winter memories.

The Good Old Days
100 large-print puzzles
A trip down memory lane through the 1950s, ’60s, and ’70s, with rock & roll, classic cars, penny candy, retro favourites, and family road trips.