Ella's mum is in a deep coma, having just had a new baby. That means Ella has to live with Jack, her hopeless stepfather, and cope with her tiny newborn brother, as well as worrying about Mum. The only thing that's going right is her school project. It's all about whales and how they sing out to each other to attract a mate – sometimes for hours. Maybe a whale song could reach Mum, wherever she is, and bring her back to Ella and baby Samson. Surely it's worth a try?

When Rebecca wades into the witch's pond after a row with her best friend Sarah, she meets a very unusual new friend – a huge, warty toad! And Glubbslyme is no ordinary toad. Hundreds of years old, he can talk and – best of all – he can work magic. Maybe, just maybe, he can help Rebecca be best friends with Sarah again?

"Where do baby apes sleep? In apricots! I'm Elsa, and that's one of my jokes (I tell LOTS of jokes and I'm going to be a big star one day). I do my best to cheer my family up - but no one seems to laugh much any more. Not since we lost our lovely house and had to move into a bed and breakfast hotel."

India lives in a large, luxurious house with a mum she can't stand and a dad she adores, though he hasn't had much time for her recently. She seeks solace in her journal, which she keeps in sincere imitation of her heroine, Anne Frank. Treasure lives on the local council estate with her loving and capable grandmother. She is devoted to her nan but lives in fear of having to go back to live with her mother and violent stepfather. A chance meeting sparks a great friendship between the girls.

Ellie is nearly 13, in Year Nine, and desperate to have a boyfriend. Her best friends Magda and Nadine (both prettier and thinner) have boyfriends, but the closest she can get is Dopey Dan, who is younger and a real swot. Find out all her secrets, squirm at her most embarrassing moment, have a laugh, and discover more about boys!

A fantastic stand-alone historical novel in the tradition of Hetty Feather and Wave Me Goodbye, this rich, entertaining novel will delight fans news and old. Mona and her aunt live in a little cottage on the edge of the Somerset estate, where her aunt sews wonderful dresses for the lady of the house. Mona never knew her mother or father, but Aunty has always looked after her - and Mona knows she can always talk to her mum where she lies in the village graveyard.

I'm Sadie and I'm nearly nine. Mum's a childminder, but she doesn't have to mind me. I can mind myself, easy-peasy. Lucky for Mum, because now she's got the flu, so I've got to mind her – and help with all the babies!

Ten-year-old Tracy was taken into care a while ago, and now she lives in a Children's Home. She doesn't know exactly where her mum lives, but she used to have long, pretend phone calls with her. Tracy's had two foster families, but things just didn't work. She allows us to share her hopes for the future in this touching and often very funny tale.

Is anything bothering you? Problems in class or at home? Don't know where to turn for help? Log on to the Worry Website! Type in your worry and wait for the good advice to flow in. At least that's the plan when Mr Speed sets up his super-cool new Worry Website for the class. Holly, Greg, Natasha, and the rest feel that they've got shed loads of worries but, as they find out, sometimes the best advice comes from the most unexpected place.

Being a sister isn't always easy ... but what's the very worst thing about your sister? Marty and her sister Melissa couldn't be more different. Marty loves her Converse trainers, playing football, hiding in her secret den and helping her dad with his DIY. But Melissa loves Justin Bieber and all things pink, girly and pretty. The sisters can manage to live together, despite their occasional scraps but then Mum tells them they have to share a room.

London, 1876. Hetty Feather is just a tiny baby when her mother leaves her at the Foundling Hospital. The Hospital cares for abandoned children - but Hetty must live with a foster family until she is big enough to go to school. Life in the countryside is hard but she has 'brothers' Jem and Gideon to play with, and together they sneak off to visit the travelling circus. Hetty is mesmerised by the show, especially Madame Adeline and her performing horses.

Lizzie refuses to speak. She doesn't want to talk to Rory or Jake, her new stepbrothers, or Sam, their dad or even her mum. She’s totally fed up at having to join a new family and nothing can coax her into speaking to them. Not football, not pizza, not a new bedroom. That is, until she meets Great-Gran - a member of the new family who is even more stubborn than her - and has had a lot more practice!

From climbing and abseiling to canoeing and a Crazy Bucket Race, the adventure holiday promises to be full of action. There's just one problem as far as Tim is concerned: he is hopeless at sports of any kind.

Floss's parents are divorced, and she divides up her week, spending five days with her mum, her new step-dad and her baby half-brother. The other two days Floss spends with her dad, helping him to run his greasy spoon cafe. But their simple arrangement is thrown into disarray when Floss's mum decides to move to Australia. Making the difficult decision to stay at home, Floss moves in permanently with her dad and they muddle along happily together, surviving on chip butties and enjoying visits to the local funfair.

Gemma and Alice were born on the same day and have been devoted best friends ever since. Despite Gemma's larger-than-life personality and Alice's quieter, calmer character, the two are inseparable – until Alice has to move house, all the way to Scotland. Gemma is utterly distraught, particularly at the thought that Alice might find a new best friend. Is there anything Gem's brothers, or perhaps her Grand dad, can do to help?