A Mermaid in Middle School: The Deep sea scroll

SOURCEBOOKS WONDERLAND - PUBLICATION DAY ON JANUARY 5, 2027

The sea witch is up to mischief again, but Brynn is so busy she feels like she is chasing her own tail. Can she juggle all her responsibilities without falling behind? 

Brynn Finley is the star of the Starfish Steppers, the grooviest mer-dance squad in the sea. Brynn is excited for a new dance season and a chance to blow the competition out of the water, but this year it's tougher than she thought. And there's another problem--Brynn's grades at school are slipping. She has too much to do and too little time. As Brynn races wearily from school to rehearsal and back home again, she comes up with a plan to catch up--a very bad plan. Will Brynn really team up with Phaedra the sea witch or will she learn her lesson?

A Mermaid in Middle School: VOICES OF HARMONY

SOURCEBOOKS WONDERLAND - PUBLICATION DAY ON SEPTEMBER 22, 2026

An unhealthy coral reef and pollution in the ocean. An entire undersea town turned upside-down. Can Brynn Finley solve Fulgent’s latest mystery and get to the Jay Barracuda and the Killer Whales concert before Phaedra the sea witch turns her into a lowly sea slug?

When a beautiful and talented young mermaid named Priscilla Banks moves to Fulgent, everything starts going wrong for mermaid Brynn Finley. Her best friend ignores her, the sea witch is set free, and the seafolk of Fulgent are acting very strangely. As Brynn searches for clues, she learns a lot about friendship and settling differences, but time is running out—the sea witch has another dastardly and disgusting scheme to rid the oceans of humans. Soon the entire town is chasing Brynn, and her only friend is her trusty pet sea turtle!

A Mermaid in Middle School: THE FAR-FINDING RING

SOURCEBOOKS WONDERLAND - JULY 7, 2026

A young mermaid. False accusations. The dreadful sea witch. Can Brynn Finley navigate stormy waters to win back her best friend?

Jade Sands has been Brynn Finley’s best friend since they were wee mer-babies. But when Jade’s mother thinks Brynn has stolen her cherished pearls, she forbids the two mermaids to see one another. Determined to get her best friend back, Brynn sets out to find Phaedra the sea witch and solve the mystery of the missing jewellery. On her quest, Brynn makes new friends, learns new mer-magic, and discovers what it really means to be a friend.

A Mermaid in Middle School: The Talisman of Lostland

SOURCEBOOKS WONDERLAND - JUNE 2, 2026

A young mermaid. A sea witch out for revenge. Can Brynn Finley become a sea guardian and help humans in danger when she just barely started the sixth grade?

Brynn Finley is the only mermaid in class who hasn't been able to learn mer-magic. Without it, she can't be a guardian of the sea with her parents and friends. On her quest for answers, Brynn encounters a lovable sea turtle, a pair of selkie sisters, and Phaedra, the great and terrible sea witch. Soon Brynn is over her head in trouble, and she must learn to ask for help if she's going to follow the merfolk oath to be a protector of the ocean and a guardian of the sea.