When millions of fish start dying off the coast of Hawaii and something is destroying hundreds of ships, the government enlists the Flock--a band of genetically modified children who can fly--to help get to the bottom of the disaster before it is too late.

Their magic tree house takes Jack and Annie deep into the sea, where they meet up with dolphins, sharks, and octopi as they search for the answer to an ancient riddle. Morgan le Fay will make Jack and Annie masters of the tree house if only they can solve four riddles -- which will take four books, of course! Dolphins at Daybreak begins the third set of four books in this magical (and increasingly popular) series! Jack and Annie are off in the Magic...

"Gracie loves snorkeling! She loves it so much, she convinces her parents to let her plan a family vacation to Roat�an, Honduras, where they can all snorkel together. She even makes a new friend there. Now, if only her irritating little brother would leave her alone, everything would be perfect. Then Gracie hurts her leg, and all her carefully made plans start to come apart. Worse still, she learns the reef itself is in serious danger. Gracie wants...

"Come on a trip to the deepest, darkest depths of the ocean. There are many fascinating creatures that call it home. There's nothing to be afraid of...is there?"

"Jane is incredibly plain. Everyone says so: her parents, the villagers, and her horrible cousin who kicks her out of her own house. Determined to get some semblance of independence, Jane prepares to propose to the princely Peter, who might just say yes to get away from his father. It's a good plan! Or it would've been, if he wasn't kidnapped by a mermaid. With her last shot at happiness lost in the deep blue sea, Jane must venture to the world underwater...