Fiction sequels hitting shelves next month include the tale of a frog determined to explore, a return to an unexpected landscape, a story of a floating island, and more.

Exploring According to Og the Frog

by Betty G. Birney (Putnam, July 2, $16.99 ISBN 978-1-5247-3997-3)

In this second book in the Og the Frog spinoff of the Humphrey series, Og is determined to experience life outside his tank in Room 26. It will take persistence, a shift in perspective, and embracing his individual skills to achieve his goal.

George and the Ship of Time

by Lucy Hawking (S&S, July 2, $18.99 ISBN 978-1-5344-3730-2)

This sixth and final book in the George’s Secret Key series, which Hawking originally wrote with her father, physicist Stephen Hawking, returns George to Earth after escaping the spacecraft Artemis, where a barren wasteland now exists, instead of his hometown, populated by intelligent robots.

Return from the Shadows

by Robert Kondo and Dice Tsutsumi (First Second, July 2, $24.99 ISBN 978-1-62672-456-3)

Pig strikes out on his own in the third and final volume in the Dam Keeper graphic novel series. As the town prepares for an approaching wave of deadly black fog, Pig follows clues linked to his father that lead him to a floating island above the clouds.

Queen of Ruin

by Tracy Banghart (Little, Brown, July 2, $18.99 ISBN 978-0-316-47145-9)

Sisters Nomi and Serina continue their fight for revolutionary freedom, but must first unseat the new Superior in this sequel to Grace and Fury.

Serafina and the Seven Stars

by Robert Beatty (Disney-Hyperion, July 9, $16.99 ISBN 978-1-368-00759-7)

The fourth and final book in the Serafina series brings supposed tranquility to the Biltmore, but Serafina struggles to find normalcy with her best friend Braeden away at boarding school, and soon realizes that the estate has become haunted by nameless terrors.

The Traitor’s Kingdom

by Erin Beatty (Imprint, July 9, $18.99 ISBN 978-1-2501-4235-1)

The fate of Sage Fowler and her fiancé Captain Alex Quinn is decided in this conclusion to the Traitor’s Trilogy after an assassination attempt and the forging of unlikely alliances.

Mia Mayhem Breaks Down Walls

Mia is determined to be the best in her strength-training class, but her ability gets the best of her, resulting in mayhem. Mia must rebuild all the walls she has broken in the fourth adventure in the Mia Mayhem series.

Akissi: More Tales of Mischief

by Marguerite Abouet, illus. by Mathieu Sapin (Flying Eye, July 16, paper $14.95 ISBN 978-1-9124-9717-1)

In this second volume of the Akissi graphic novel series, inspired by the author’s childhood on the Ivory Coast, Akissi returns to learn about consequences, self-advocacy, and compromise.

Please Send Help

by Gaby Dunn and Allison Raskin (Wednesday Books, July 16, $18.99 ISBN 978-1-250-21653-3)

In this follow-up to I Hate Everyone But You, best friends Ava and Gen are no longer on opposite coasts and now share a time zone, but are still 1000 miles apart as they share insecurities, challenges, and triumphs.

Spark (Skin #2)

by Alice Broadway (Scholastic Press, July 30, $18.99 ISBN 978-1-338-35599-4)\t

Disguised as a refugee, Leora is sent to the blank settlement, a loathed community of untattooed outsiders, to act as a spy in this sequel to 2018’s Ink, in which tattoos tell a person’s life story. Living among the blanks, Leora begins to acknowledge the lies she’s been told while raised as one of the marked and is forced to choose a side.