Come along for four undersea adventures with the first four Mermaid Tales books—now available together in one mer-velous paper over board edition!<br><br>In <i>Trouble at Trident Academy</i>, mergirl Shelly Siren worries and wonders if she can fit in at her new school. In<i>Battle of the Best Friends</i>, Shelly and her best friend, Echo Reef, let mean girl Pearl Swamp’s birthday party almost ruin their friendship. In<i>A Whale of a Tale</i>, Kiki Coral has to overcome her giant-size fear of a baby whale. And in<i>Danger in the Deep Blue Sea,</i> Pearl Swamp causes big trouble when a shark is spotted in the waters near Trident City.