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5 books in series

Underwater Investigation Unit

Underwater Investigation Unit is a 4-book series with 4 primary works first released in 2020 with contributions by Andrew Mayne.

BooksCollections
The Girl Beneath the Sea
#1
The Girl Beneath the Sea
ByAndrew Mayne

2020 • 42 Readers • 328 pages • 3.9

Black Coral
#2
Black Coral
ByAndrew Mayne

2021 • 14 Readers • 320 pages • 4

Sea Storm
#3
Sea Storm
ByAndrew Mayne

11 Readers • 3.9