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?

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!

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?

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.

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.

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?

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!

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.

It’s 1953, the year Elizabeth is to be crowned Queen of England. Elsie Kettle can't wait to go to London to see the celebrations on Coronation Day. Elsie lives with her Nan – her mum works as a showgirl, so she's not around very often. Spirited and imaginative, but often lonely, Elsie longs for a best friend. Luckily, she and Nan are very close; Elsie just wishes she was allowed a cat to keep her company sometimes.

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.

Alice Love is 29, crazy about her husband, and pregnant with her first child. So imagine Alice’s surprise when she comes to on the floor of a gym and is whisked off to the hospital, where she discovers the honeymoon is truly over - she’s getting divorced, she has three kids, and she’s actually 39 years old. Alice must reconstruct the events of a lost decade and find out whether it’s possible to reconstruct her life at the same time.

Lara's life looks perfect on the surface. Gorgeous doting husband Massimo, sweet little son Sandro and the perfect home. Lara knows something about Massimo. Something she can't tell anyone else or everything Massimo has worked so hard for will be destroyed: his job, their reputation, their son. This secret is keeping Lara a prisoner in her marriage. Maggie is married to Massimo's brother Nico. She knows all of Nico's darkest secrets - or so she thinks. The one day she discovers a letter in the attic....

Lyn, Cat, and Gemma Kettle, beautiful 33-year-old triplets, seem to attract attention everywhere they go. Together, laughter, drama, and mayhem follow them, but apart, each is dealing with her own share of ups and downs. Lyn has organized her life into one big checklist, Cat has just learned a startling secret about her marriage, and Gemma, who bolts every time a relationship hits the six-month mark, holds out hope for lasting love.

Dottie and Mary forged a friendship over a bag of penny sweets when they were eight years old. They've shared everything together since then. Now, at seventeen, they're both shopgirls working at Woolworths. As they go out in the world in pursuit of love and happiness and life becomes more complicated, the simplicity of their childhood dissolves. The heady excitement of first love will consume them both, but the pain of unintentional betrayal will test their friendship.

Fifteen-year-old Rosie lies in hospital fighting for her life. She’s trying to tell her mother what happened to her, but she can’t speak the words out loud. Toni is a doting and over-protective mother, terrified for her daughter’s life. Having lost her husband in a tragic accident, Toni has dedicated her life to keeping Rosie safe from harm. She needs to know what secrets Rosie has been keeping and how she ended up in a hospital bed - but Toni has a secret of her own....