The Extremely High Tide!

Talise knows more about the ocean than any kid in Topsea. Any adult, too. As the best-and only-bathymetrist in Topsea, Talise is able to predict important things about the sea, like the next tide (Severely Low with a threat of Wildcard) or the arrival of Seaweed Season. What she can't predict, however, are her classmates' behaviors. Sometimes it's as if they're speaking different languages.

When Talise discovers a mysterious message in a bottle, her classmates believe it must have been sen...