Power Up, PJ Masks!: Ready-to-Read Level 1 is an exciting book written by Delphine Finnegan. This Level 1 reader is perfect for young readers who are just starting to read on their own. The book is in paperback format and features the popular PJ Masks characters. With its engaging storyline and easy-to-read text, Power Up, PJ Masks!: Ready-to-Read Level 1 is a great choice for children who love the PJ Masks series.