History Crossword: 50+ Brain-Boosting Crossword Puzzles for History Buffs, Curious Learners, and Teens Who Love the Past (Crossword Series)

Christmas Crossword Puzzles: Festive Brain-Boosting Crosswords for Holiday Fun

Danish Crossword Universe: Fun, Brain-Boosting Crosswords Inspired by Denmark

Gujarati Crossword Expedition: A Fun, Challenging & Brain-Boosting Collection of Handcrafted Gujarati Crosswords

Taiwan Crossword Challenge: 125 Brain-Boosting Word Puzzles Celebrating Puzzles Exploring Taiwanese Culture, History, Language & Food (Crosswords of the World)