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.

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.

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?

Shy, mild Mandy has been bullied at school for as long as she can remember. That's why she is delighted when cheeky, daring, full-of-fun Tanya picks her as a friend.Mum isn't happy – she thinks Tanya's a BAD GIRL and a bad influence on her daughter. But Mandy loves spending time with her brilliant new friend, and is sure Tanya can only get her out of trouble, not into it ... or could she?

When my parents split up they didn't know what to do with me ... My family always lived at Mulberry Cottage. Mum, Dad, me – and Radish, my Sylvanian rabbit. But now Mum lives with Bill the Baboon and his three kids. Dad lives with Carrie and her twins. And where do I live? I live out of a suitcase. One week with Mum's new family, one week with Dad's. It's as easy as A B C. That's what everyone says. But all I want is to go home – back to Mulberry Cottage...

"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."

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!

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.

Em adores her funny, glamorous dad – who cares if he's not her real father? He's wonderful to her, and to her little brother Maxie and sister Vita. True to form at Christmas, Dad gives them fantastic presents, including a real emerald ring for his little Princess Em.Unfortunately he's got another surprise in store – he's leaving them. Will Dad's well-meaning but chaotic attempts to keep seeing Em and the other children help the family come to terms with this new crisis?

Amy, Bella, Chloe, Daisy and Emily are friends at school and have their own Alphabet Club (just look at their initials!). Daisy is the newest member and is desperate to fit in, even though Chloe is distinctly unfriendly to her at times. Throughout Daisy’s first year at the school, the girls plan ever-more elaborate sleepover parties for their birthdays. Daisy is dreading the time when her birthday comes round as she doesn’t know what her friends will make of sleeping over at her home, with her rather special older sister.

Dolphin adores her mother, Marigold. She's got wonderful clothes, bright hair and vivid tattoos all over her body – a colourful lady, to match her colourful life. But Dolphin's older sister, Star, is beginning to wonder if living with Marigold's fiery, unpredictable moods is the best thing for the girls.

Sunset lives a life of luxury with her beautiful ex-model mum, her world-famous ex-rocker dad, and two little celeb siblings. But life on the red carpet is no compensation for rowing parents, constant nagging, intensive media scrutiny, and no real friends. Destiny, on the other hand, is an only child living on a rundown estate with a sickly but devoted mum who constantly tells her she's really the daughter of a famous former rock star...

Dixie is the youngest Diamond girl. She and her sisters – dreamy Martine, glamorous Rochelle and tough Jude – could hardly be more different, but their mum has always tried to teach them the value of sticking together. Now Mum's expecting yet another baby, and she's convinced this one's a boy. She insists they move to a bigger place – but it's rough, dilapidated and filthy, and before they've even unpacked, Mum's gone into labour!

Violet has always been in the shadow of her mesmerising, controlling brother, Will - by turns delightful and terrifying. Now that Will has learnt a shocking secret about his own past, things seem to be getting worse. Violet retreats further into her fantasy world built around the fairy characters created by her favourite author, Casper Dream.

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.