"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 top boy in his school, Melin Spoonbender. Can Oliver cook up an extra-special potion to win the prize?"--from p. [4] of cover.

"When Molly Holmes moves with her family to Horseshoe Bay, her grandmother gives her an enchanted shell necklace that magically transforms her life. The power of the necklace transports Molly to the Undersea Kingdom, where she discovers that she is a Secret Mermaid and meets lots of new mermaid friends. But the evil Dark Queen Carlotta seeks to steal control from the good Merqueen Luna, by seizing the magic pieces of conch shell that help protect...

"Molly must help her mermaid friend Delphi to find the second piece of the enchanted conch shell in time to prevent a terrible oil spill. Unfortunately, Delphi's shell is guarded by a spiky sea urchin, and the only way they can tempt it away is by bringing it some treasure from a spooky shipwreck, where a great white shark lurks, ready to attack. Can they save the day with the help of some humpback whales?"--WorldCat.

"Oliver Moon isn't very happy about the new boy at Magic School. Casper thinks he's the best at everything and tries to prove it by challenging Oliver to a scary spell-off. Can Oliver win the day with his trusty magic wand--or does the whole thing spell trouble?"--

The penguins have mysteriously disappeared from the icy seas and the mermaids are worried - where can they be? Molly and her mermaid friend, Phoebe, search everywhere. Could the Dark Queen be behind all the trouble?

"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.

Mildew Cottage is the perfect place for Oliver Moon's summer vacation. It's cold, damp, 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?

"First published in the UK in 2010 by Usborne Publishing Ltd." -- Back cover. "The whales are missing from the Undersea Kingdom so Molly and her mermaid friend, Leila, set out to find them. But the Dark Queen's monsters capture Leila. Can Molly use the magical powers in her necklace to rescue Leila and save the whales?"- from back cover.