Julian, Dick and Anne are spending the holidays with their tomboy cousin George and her dog, Timothy. One day, George takes them to explore nearby Kirrin Island, with its rocky little coast and old ruined castle on the top. Over on the island, they make a thrilling discovery, which leads them deep into the dungeons of Kirrin Castle on a dangerous adventure. Who - and what - will they find there?

Nanny Piggins, the world's most glamorous flying pig, runs away from the circus and goes to live with the Greens as their nanny. The Green children, Derrick, Samantha and Michael, fall in love with her instantly. Who could not fall in love with a Nanny whose only job qualifications are her astonishing ability to be fired out of a cannon and her amazing ability to make chocolate cake, sometimes both at the same time?

Alice-Miranda Highton-Smith-Kennigton-Jones can't wait to start boarding school. When she arrives at Winchesterfield-Downsfordvale Academy for Proper Young Ladies, the adventure begins...only not quite as Alice-Miranda expects. The minute she sets foot on the school's manicured grounds, she senses that something is wrong: Miss Grimm, the headmistress, is nowhere to be seen; the gardens have no flowers; and a mysterious stranger seems to be hiding out on the premises.

When girl Detective Friday Barnes solves a bank robbery she uses the reward money to send herself to the most exclusive boarding school in the country, Highcrest Academy. On arrival, Friday is shocked to discover the respectable school is actually a hotbed of crime. She's soon investigating everything from disappearing homework to the Yeti running around the school swamp. That’s when she’s not dealing with her own problem - Ian Wainscott, the handsomest boy in school, who inexplicably hates Friday and loves nasty pranks.

Andy and Terry have a new book to write, but there's a problem. A BIG problem. Well, quite a few big problems actually.... On a hill not too far away there is a tree. And in that tree there is a tree house. And in that tree house there is a bowling alley, a see-through swimming pool, a tank full of sharks, a giant rope swing, a library full of comics, a secret underground laboratory, a vegetable vaporiser and a free marshmallow-dispensing machine.