In The Mystery at Dolphin Cove you will encounter . One dolphin darling Two bottlenoses breaching Three boat bow wave riders Four wet kids And lots of click and whistle clues The Mystery at Dolphin Cove readers on an awe-inspiring and action-packed adventure complete with thrills, chills, and wet kids Mystery books have always been a great higher-order, critical thinking genre, and the "real Kid characters" in this series eagerly get into using high-demand STEM skills to solve each mystery STEM, like calculating perimeter and area, converting distances and weights, understanding SONAR, GPS satellites, ecosystems and food chains, the water cycle, animal classifications, the engineering process, and lots more are introduced and incorporated into these books Additionally, each book has a great STEM section in the back with extra information on the science, math, technology, and problem-solving skills that are in the story, plus an extensive glossary, & animal facts