Happy Book Libro

Lunwerg Editores

Happy book: El librojuego de la felicidad (Libro interactivo)

Viking Books for Young Readers

The Happy Book (English Edition)                

happy book (Japanese Edition)                    

THE HAPPY BOOK: 15 CLÉS POUR DÉVERROUILLER VOTRE BONHEUR (French Edition)

Pan Macmillan

Happy Birthday, Gruffalo!: A lift-the-flap book with a pop-up ending!

Oxford University Press, USA

Happy Street 1. Class Book (Happy Second Edition) - 9780194730952

GARDNERS

Happy Birthday to You!                          

Transworld Publ. Ltd UK

Happy: Why More or Less Everything is Absolutely Fine

Oxford University Press España, S.A.

Happy House 1: Activity Book Extra (Happy First Edition) - 9780194402538

Independently published

Happy Moments: Cute Coloring Book: A Wholesome and Relaxing Coloring Experience Featuring 50 Adorable Animal Family Scenes for All Ages