Among new titles hitting bookshelves this week are a picture book about two unlikely friends, a middle grade novel about a jock turned poet, and a YA novel in which the self-described worst band in the world seeks their first gig.

Flawed by Cecelia Ahern. Feiwel and Friends, $18.99; ISBN 978-1-250-07411-9. In this futuristic series opener, adult author Ahern’s first book for teens, the government has appointed a court to judge ethical and moral transgressions, searing an F into the skin of citizens deemed to be Flawed.

Booked by Kwame Alexander. Houghton Mifflin Harcourt, $16.99; ISBN 978-0-544-57098-6. Alexander’s middle grade followup to the Newbery-winning The Crossover, tells the story of eighth grader Nick, a soccer player who discovers both a love of reading and a way to connect with the girl of his dreams. The book earned a starred review from PW.

The Haters by Jesse Andrews. Abrams/Amulet, $18.95; ISBN 978-1-4197-2078-9. In this YA novel from the author of Me and Earl and the Dying Girl, the world’s worst musical trio decides to ditch music camp and go on a road trip, determined to play at any venue that will have them.

A Beetle Is Shy by Dianna Hutts Aston, illus. by Sylvia Long. Chronicle, $16.99; ISBN 978-1-4521-2712-5. Aston and Long follow A Butterfly Is Patient and other collaborations with a poetic examination of the vast insect order of beetles, which earned a starred review from PW.

The Wild Robot by Peter Brown. Little, Brown, $16.99; ISBN 978-0-316-38199-4. Picture book creator Brown’s first middle grade novel tells the story of an unexpected visitor whose arrival disrupts the animal inhabitants of a rocky island, with a contemporary twist: the main character is a robot. The book earned a starred review from PW.

Tell Me Three Things by Julie Buxbaum. Delacorte, $17.99; ISBN 978-0-553-53564-8. In this YA novel, the protagonist Jessie’s mother has been dead for two years, and because her father has recently married a woman he met online and moved the family to Los Angeles, Jessie is starting her junior year at a fancy private school where she knows no one. The book earned a starred review from PW.

Essential Maps for the Lost by Deb Caletti. S&S/Simon Pulse, $17.99; ISBN 978-1-4814-1516-3. This YA novel follows the relationship of two teens, one grieving his lost mother, the other, the girl who discovered the body. The book earned a starred review from PW.

Where’s the Party? by Ruth Chan; Roaring Brook, $17.99; ISBN 978-1-6267-2269-9. In her first picture book, Chan introduces a cat named Georgie (inspired by her own cat), who wants to throw a party, but after Georgie buys a cake and goes door to door in his Brooklynesque neighborhood to invite his friends over, he’s met with a string of polite, and sometimes bizarre, excuses.

Flamecaster by Cinda Williams Chima. HarperTeen, $18.99; ISBN 978-0-06-238094-4. The latest YA novel from Chima is set in her Shattered Realms world, a generation later.

Horrible Bear! by Ame Dyckman, illus. by Zachariah OHora. Little, Brown, $16.99; ISBN 978-0-316-28283-3. Dyckman and OHora, the duo behind 2015’s Wolfie the Bunny, introduce a young girl and a big bear who are absolutely furious with each other. The book earned a starred review from PW.

The 52-Story Treehouse by Andy Griffiths, illus. by Terry Denton. Feiwel and Friends, $12.99; ISBN 978-1-250-02693-4. Another floor is added to this middle grade series, in which protagonists Andy and Terry live in a 52-story treehouse. (It used to be a 39-story treehouse, but they keep expanding.)

Girl in the Blue Coat by Monica Hesse. Little, Brown, $17.99; ISBN 978-0-316-26060-2. Hesse, a journalist for the Washington Post, tells the story of 15-year-old Hanneke, supporting her family during WWII by delivering black market goods, who is pulled into the war’s atrocities when she tries to help find a missing Jewish girl. The book earned a starred review from PW.

The Nameless City by Faith Erin Hicks. First Second, $14.99; ISBN 978-1-62672-156-2. This middle grade graphic novel trilogy starts with a volume set in an imaginary city, where two unlikely friends from opposing factions learn about the way in which geography can determine political fate. The book earned a starred review from PW.

Chronicles of Nick: Invision by Sherrilyn Kenyon. St. Martin’s Griffin, $19.99; ISBN 978-1-250-06388-5. The seventh installment in Kenyon’s YA series continues the saga of the teen harbinger of the apolocalypse.

Fingers for Lunch by Brandt Lewis, illus. by Cori Doerrfeld. Little, Brown, $7.99; ISBN 978-0-316-37799-7. The five die-cut holes in this board book are just the right size to slip one’s fingers into; unfortunately, that makes them a ready meal for the cute but hungry monster inside.

The Glittering Court by Richelle Mead. Razorbill, $19.99; ISBN 978-1-59514-841-4. A 17-year-old countess trades Elizabethan luxury for frontier life in Mead’s latest YA fantasy novel.

Let’s Play by HervéTullet, trans. from the French by Christopher Franceschelli. Chronicle, $15.99; ISBN 978-1-4521-5477-0. Tullet (Press Here) develops his innovative, interact-with-the-book project still further as readers travel through the book with a yellow dot.

Weekends with Max and His Dad by Linda Urban, illus. by Katie Kath. HMH, $16.99; ISBN 978-0-544-59817-1. In this early chapter book, third grader Max Leroy embarks on escapades with his newly divorced father. The book earned a starred review from PW.

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