Undertale Book

Independently published

Undertale CookBook                              

(Undertalé): Funny Story-THE X BABYSITTER (English Edition)

Materia Collective

UNDERTALE Complete Piano Score (English Edition)

Sophie Rossi

The Undertale (Adventure)                        

Independently published

Undertale! The Musical: Fan-made script          

Third Editions

L'Anomalie Undertale: Décryptage d'un jeu monstre

Scholastic

Five Nights at Freddy's Fazbear Frights Collection 1

Jam Terzones

Book Of UnderTale (HORROR)                      

Olivier Charpentier

Undertale Multiverse (HORROR)                    

(Undertalé): Funny Story-What was my first word? (English Edition)