Purposeful Inserts are coming soonJoin the first-access list

Number puzzles with a satisfying click

Kakuro puzzle books for your journal

Purposeful Kakuro Inserts bring classic cross-sum logic into a slim journal-sized workbook. Each puzzle uses digits 1 through 9, clue totals and crossing runs to create a focused solving rhythm without screens.

Beginner Kakuro puzzle workbook cover
Intermediate Kakuro puzzle workbook cover
Advanced Kakuro puzzle workbook cover

made to live inside your journal

A paper break with a purpose.

Choose your pace

Kakuro puzzle levels

Each level has its own color, so the right kind of challenge is easy to spot.

Expert Kakuro workbook

Expert

52-page Purposeful Insert with online answer-key access.

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Three journal-friendly sizes

A5, A6 Pocket and B6

A5 is 5.83 x 8.27 in, A6 Pocket is 4.13 x 5.83 in, and B6 is 4.92 x 6.93 in.

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