"Swimming with the turtles and tropical fish in the ocean reefs has always been such fun for the mermaids, until the reefs begin to die. Molly must help her friend Coral find her magic shell so she can rescue the reef -- but the wicked Dark Queen and her army have other plans..." -- Back cover.

"Far out in the ocean live the Shell-Keeper mermaids. While the rest of the world sleeps, one little girl joins them for some magical mermaid adventures. Molly is like any other little girl when her family moves to Horseshoe Bay. So when her gran gives her a pretty shell necklace, Molly never dreams it could be enchanted...or that she could become a secret mermaid"--From the publisher's web site.

Mildew Cottage is the perfect place for Oliver Moon's summer vacation. It's cold, darnp, and haunted! Oliver's parents aren't so happy. They're fed up with the spooky noises in the woods. So Oliver decides to go ghostbusting with his new friend, Wilf. But is Oliver's hair pal all that he seems?

"Molly's thrilled when she and her mermaid friend Delphi find another piece of the magical conch shell...but unfortunately a grumpy sea urchin has made his home on it, and won't move! He'll only swap it for the pirate treasure that lies in a nearby shipwreck...but what other dangers might be lurking there?"--From the publisher's web site.

Oliver is chosen to look after Nippy the nipperbat over Halloween break from Magic School, but things go awry when his naughty baby sister decides to help.

Oliver Moon wants to have the best birthday bash ever. But some of his guests have other ideas. All of the not-so-nice wizards and witches from school have turned up and these party poopers are making real trouble. Luckily, there's birthday magic in the air, and hidden surprises in store from a very special guest.

Oliver Moon works hard at Magic School, practicing his spellcraft, toad training and broomstick flying. But when he's entered for the Young Wizard of the Year award he finds he's up against the head boy, Merlin Spoonbender. Can Oliver cook up extra-special potion to win the prize?