Two bestselling series add new titles, a new picture book gets meta, a debut middle grade novel heads to the circus, a high-fantasy middle grade series launches, a new YA novel deals with teen vengeance, and another travels through time to rescue a friendship.

Dork Diaries 9: Tales From a Not-So-Dorky Drama Queen by Rachel Renee Russell. S&S/Aladdin, $13.99; ISBN 978-1-4424-8769-7. The ninth installment of the bestselling illustrated diary delves into the backstory of nemesis MacKenzie.

I Will Take a Nap! by Mo Willems. Disney-Hyperion, $9.99; ISBN 978-1-4847-1630-4. Elephant and Piggie return in the Geisel Award-winning early reader series. This time, Gerald is cranky and wants a nap, if Piggie will let him sleep.

Billy’s Booger by William Joyce. S&S/Atheneum, $17.99; ISBN 978-1-4424-7351-5. The latest picture book from the artist behind the Guardians of Childhood series follows a fourth-grader as he enters a book-writing contest. The book earned a starred review from PW.

Circus Mirandus by Cassie Beasley. Dial, $17.99; ISBN 978-0-525-42843-5. Beasley’s debut weaves family drama with a magical circus, and earned a starred review from PW.

Crown of Three by J.D. Rinehart. S&S/Aladdin, $17.99; ISBN 978-1-4814-2443-1. The first in a new middle grade series compared to Game of Thrones follows three 13-year-old triplets trying to restore order to their kingdom in the wake of their despotic father’s actions.

Daughter of Deep Silence by Carrie Ryan. Dutton, $17.99; ISBN 978-0-525-42650-9. A new YA novel from the author of The Forest of Hands and Teeth follows 14-year-old Frances, one of just a few survivors on a luxury cruise that turns into a saga of teen vengeance.

Proof of Forever by Lexa Hillyer. HarperTeen, $17.99; ISBN 978-0-06-233037-6. Four best friends from summer camp deal with heartbreak, sexual orientation, and family pressures, and get a second chance to right their friendship when they’re transported in time four years back.

For more children’s and YA titles on sale throughout the month of June, check out PW's full On-Sale Calendar.