15 Minute English

DK

15 Minute Spanish: Learn in Just 12 Weeks        

Diamond Books

15 Minute Read : The Power of Your Subconscious Mind (English Edition)

DK

15 Minute French: Learn in Just 12 Weeks        

DK

15 Minute Japanese: Learn in Just 12 Weeks      

Eat Well In 15 Minutes: Breakfast, Lunch, Appetizers, Drinks, Desserts, Lunch and Dinner Recipes ,Budget-Friendly! (English Edition)

Ilex Press

Draw Faces in 15 Minutes: Amaze your friends with your portrait skills (Draw in 15 Minutes) (English Edition)

15-Minute Workouts: Stay Fit Anywhere with Quick Home Routines (Bodyweight Revolution Series Book 3) (English Edition)

Emme Edizioni

Martina il ciclone. Una storia in 15 minuti! Ediz. a colori

Independently published

Master English Collocations in 15 Minutes a Day: Hundreds of Phrasal Verbs, Idioms, and Expressions

Emme Edizioni

Il cappello del gigante. Una storia in 15 minuti! Ediz. a colori: I cappello del gigante - Una storia in 15 minuti