Spydle(Kobo/電子書)

Meowdle(Kobo/電子書)

The Astronomy Puzzle Book(Kobo/電子書)

The 90s Activity Book (for Adults)(Kobo/電子書)

間諜解謎：8個密室逃脫場景，測試你解決犯罪案件的技巧！

The Nautical Puzzle Book(Kobo/電子書)

The Mammoth Book of Fun Brain-Training(Kobo/電子書)

Stay Sharp!(Kobo/電子書)

The Art Puzzle Book(Kobo/電子書)

Mindfulness Puzzles for Your Kindle(Kobo/電子書)

The Penguin Book of Puzzles(Kobo/電子書)

The Great Sherlock Holmes Puzzle Book(Kobo/電子書)

Sherlock Holmes - Hirnverknotende Rätsel. Für Kinder ab 8 Jahren(Kobo/電子書)

The Amazing Sherlock Holmes Puzzle Book(Kobo/電子書)

Sherlock Holmes Compendium of Mysterious Puzzles(Kobo/電子書)

Tutankhamun and the Puzzles of Ancient Egypt(Kobo/電子書)

Alice in Wonderland Puzzles(Kobo/電子書)

Edgar Allan Poe Puzzles(Kobo/電子書)

Leonardo da Vinci Puzzles(Kobo/電子書)

Sherlock Holmes Case-book of Curious Puzzles(Kobo/電子書)

大腦訓練(Kobo/電子書)

Einstein Puzzles(Kobo/電子書)

At Sixes and Sevens: How to Understand Numbers and Make Maths Easy(Kobo/電子書)