Dragon Quest Monsters+ Series by Mine Yoshizaki

Monster fans will love this adventure series--a spin-off of the beloved Dragon Quest video games!Kleo dreams of becoming a gallant, monster-slaying hero, and when a twist of fate sees him whisked off to a strange and distant land, it seems he's finally got his chance. But the king doesn't want Kleo slaying monsters--he wants him training them, preparing mighty creatures to fight against the forces of darkness. Unfortunately, the kingdom's a little short on monsters at the moment.. moreMonster fans will love this adventure series--a spin-off of the beloved Dragon Quest video games!Kleo dreams of becoming a gallant, monster-slaying hero, and when a twist of fate sees him whisked off to a strange and distant land, it seems he's finally got his chance. But the king doesn't want Kleo slaying monsters--he wants him training them, preparing mighty creatures to fight against the forces of darkness. Unfortunately, the kingdom's a little short on monsters at the moment...and Kleo's journey begins with only one sassy slime to back him up. It's a quirky quest with one majorly reluctant hero! less

THROUGH THE TRAVELER’S GATE!Kleo is now a Monster Master: a champion of the throne, empowered to recruit and lead monsters in the fight to save the kingdom of GreatTree! After narrowly surviving an attack by the nefarious Dragonlord, the pressure’s on to rescue Terry, the kingdom’s last champion. With only a slime and a junior dragon at his side, Kleo’s quest won’t be easy. It’s a dangerous foray into monster-haunted lands with the fate of the world on the line!