An exciting new chapter book series featuring the little sisters of fan-favorite Monster High ghouls--perfect for the younger fans of Monster High! In this installment, readers will meet Clawdeen's little sister, Pawla! ?2018 Mattel. All Rights Reserved.An exciting new chapter book series featuring the little sisters of fan-favorite Monster High ghouls--perfect for the younger fans of Monster High! In this installment, readers will meet Clawdeen's little sister, Pawla! ?2018 Mattel. All Rights Reserved.