"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."

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.

Beauty Cookson is no beauty. She's a plain, timid girl who constantly feels inferior to the super-confident, snooty girls at school. Worse than the teasing in the playground, though, is the unpredictable, hurtful criticism from her father. Beauty and her meek, sweet mother live in uneasy fear of his fierce rages, sparked whenever they break one of his fussy house rules.

Mandy has been picked on at school for as long as she can remember. That's why she can't believe it when cheeky, full-of-fun Tanya wants to be her friend. Mandy's delighted - but Mum isn't: she thinks Tanya's a bad girl. And when Mandy discovers Tanya's secret, she has to choose between doing what Mum wants and keeping her new friend.

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.

When Stella is dumped at summer camp while her mum goes off on a posh honeymoon, things start badly. In the first few minutes she's mistaken for a boy and put in a room with snobby Louise and nasty Karen. Then she finds out she'll have to take dreaded swimming lessons, the one thing mum promised she wouldn't have to do. Can things get any worse?

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.

Tilly can't believe it when her best friend, Matty, is asked to be a bridesmaid. In Tilly's favourite daydream, she's kitted out in the most beautiful bridesmaid dress, walking down the aisle behind a beautiful bride. The one wedding she'd really like to attend is her own mum and dad's. But as that's never going to happen, it's time for Tilly to make her own dream come true - and put her bridesmaid services up for hire....

You look as if you've seen a ghost!' Jade is so used to living in the shadow of Vicky, her loud, confident best friend, that when a tragic accident occurs, she can hardly believe that Vicky's no longer around. But Vicky's a sparky girl who's not going to let a small thing like being dead stop her from living life to the full! Whether Jade is in lessons, out running or tentatively trying to make new friends, Vicky is determined to make her presence felt ...

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.

Lily isn't home alone – but she sort of wishes she was; looking after her three younger siblings is a lot of responsibility. When Mum goes off on holiday with her new boyfriend and her stepdad fails to show up, Lily is determined to keep the family together and show they can cope without any grown-ups. But taking care of six-year-old twins, her three-year-old sister and the family's flat feels overwhelming and Lily is worried that school or social services might discover their situation and break up the family.

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.

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.

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.

Grandpa is Jack's favorite person in the world. It doesn't matter that he wears his slippers to the supermarket, serves Spam à la Custard for dinner, and often doesn't remember Jack's name. But then Grandpa starts to believe he's back in World War II, when he was a Spitfire fighter pilot, and he's sent to live in an old folks' home run by the sinister Matron Swine. Now it's up to Jack to help Grandpa plot a daring escape!