Reading order
| # | Title | Published | Author | Buy on Amazon |
|---|---|---|---|---|
| 1 | Cobalt: Prequel novella | 2023 | A.L. Knorr | Buy |
| 2 | Aquamarine | 2023 | A.L. Knorr | Buy |
| 3 | Ultramarine | 2024 | A.L. Knorr | Buy |
A.L. Knorr’s Pretty Little Mermaids series begins with the prequel novella Cobalt (2023), followed by Aquamarine (2023) and Ultramarine (2024). The series features mermaid characters in a contemporary setting.
Cobalt is a shorter introduction to the world, making it a quick entry point before readers move into the full-length novels. Aquamarine expands the story with deeper character development and world-building, while Ultramarine continues the plot into 2024. The color-themed titles (cobalt, aquamarine, ultramarine) all reference shades of blue, tying the naming to the ocean setting.
Knorr has written several other series with elemental and aquatic themes, including the Elemental Origins books. Readers who have enjoyed her earlier mermaid fiction will find Pretty Little Mermaids consistent with her style, though the series works well as a starting point for new readers too.