Sir Lancelot, Where Are You? (Dragon Slayers' Academy #6)
Sir Lancelot was cursed by the evil witch Morgana le Fay. It's up to Wiglaf and his friends to find Sir Lancelot and save him. On their way looking for Sir Lancelot, they encounter trolls, witches, and other villains. Could they really find Sir Lancelot and save him?
This book is really funny.
You should try reading it.