Pretty Little Mermaids Books in Order

Teenage siren Eadie wants science projects, romance, and an ordinary senior year. Finding a mermaid stripped of her memories sends her against the ocean’s ancient rules, determined to protect her identity from the force that took her mother.

Gina boards a historic sailing ship to escape a life and identity she can no longer face. An observant stranger and an ominous storm unsettle her plans, drawing the fleeing siren toward a future she cannot yet understand.

Gina travels to New York seeking fresh water that might restore her stolen memories. Accompanied by two Jackson sisters, she must confront her past and discover whether the man she loved still has a place for her.

A journal from her dead father sends secretive siren Cleo after a long-lost treasure ship. Funding the search means working with a man immune to her powers, while an old family’s resistance hints at something beyond buried riches.