"First published 2016 by Cohesion Press. This edition published 2018 in Momentum by Pan Macmillan Australia."--title page verso.
Summary
Cate Granger is following in her grandfather's footsteps to explore "Bad Waters' off Baranof Island in the Gulf of Alaska, reputed to be the home of great sea monsters. Along with a team of scientists and crew, her search for a primordial creature becomes an horrific success. The great Megalodon shark follows its instincts and very quickly becomes a formidable predator.