Twenty books are in the running for the UK's oldest and most prestigious children's book award, the Carnegie medal. Find out more about the titles that are in with a chance of winning the prize that has been awarded to some of the greatest writers of children's fiction, including Arthur Ransome, Noel Streatfeild, CS Lewis and Philip Pullman.
The shortlists for both the Carnegie and the Kate Greenaway medal (for illustration) will be announced on Tuesday 18 March, with the winners being announced in June.
Gallery: The Kate Greenaway Medal Longlist
The Boy Who Swam with Piranhas by David Almond (Walker Books)
A rollicking adventure with a big-hearted hero set in a circus.
All the Truth That's in Me by Julie Berry (Templar)
A page-turning mystery about a girl who is reviled by her community when she returns, silent, four years after being abducted and held captive yet must regain her voice in order to save her family.
The Bunker Diary by Kevin Brooks (Penguin)
A tense thriller in which a 16-year-old boarding school dropout is kidnapped and imprisoned in a bunker with five other victims
The Child's Elephant by Rachel Campbell-Johnston (David Fickling Books)
The extraordinary story of an incredible friendship between a boy and an elephant, and their survival against all the odds.
Ghost Hawk by Susan Cooper (Bodley Head)
The author of The Dark Is Rising series, has set her new novel in America and features two boys facing challenges on the cusp of manhood.
After Tomorrow by Gillian Cross (Oxford University Press)
A gripping tale of life as refugees for two boys after the collapse of British banks.
Heroic by Phil Earle (Penguin)
Inspired by SE Hinton's The Outsiders and by the battles facing young soldiers all over the world, this is a devastating novel about brotherhood and sacrifice.
Blood Family by Anne Fine (Doubleday Children's Books)
A chilling and thought-provoking tale of a young boy's struggle to escape the horrors of his childhood.
Infinite Sky by CJ Flood (Simon & Schuster Children's Books)
Iris and Sam are two siblings who live peacefully with their dad at Silverweed Farm, until one day some Gypsies move into their paddock and life is turned upside-down.
Charm and Strange by Stephanie Kuehn (Electric Monkey)
A debut novel about an angry teen who, one fateful summer, becomes part of something so terrible it comes close to destroying him.
Monkey Wars by Richard Kurti (Walker Books)
An unflinching examination of the politics of power, set in the dusty streets of Calcutta. As Mico uncovers the secrets and lies at the heart of the corrupt Langur Monkey troop, he quickly realises that he is playing a very dangerous game.
Hostage Three by Nick Lake (Bloomsbury Children's Books)
This explosive thriller tells the story of a father and daughter seized by a barbaric band of Somali pirates.
The Positively Last Performance by Geraldine McCaughrean (Oxford University Press)
A girl recruits the ghosts of a seaside town in decline to help revive its derelict theatre
Brock by Anthony McGowan (Barrington Stoke)
A tale about one boy's determination to save a badger cub.
Binny for Short by Hilary McKay (Hodder Children's Books)
Binny's life changed when her father died and her Aunt Violet got rid of her dog Max. But when Violet dies, leaving the family a cottage in Cornwall, it changes once again.
Far Far Away by Tom McNeal (Jonathan Cape)
Jeremy can hear voices. But when he admits this, the townspeople of Never Better treat him like an outsider. Life has been tough after his mother left and his father became a recluse, but one voice in particular proves his salvation: the voice of the ghost of Jacob Grimm.
Ketchup Clouds by Annabel Pitcher (Indigo)
Fifteen-year-old Zoe has a secret - a dark and terrible secret that she can't confess to anyone she knows.
Rooftoppers by Katherine Rundell (Faber & Faber)
A warm-hearted adventure about a girl who is found floating in a cello case after the boat she is travelling in sinks, and flees to France with her beloved guardian to try to find her mother.
Liar and Spy by Rebecca Stead (Andersen Press)
The Guardian children's fiction prize-winning adventure about a boy who embarks on a journey of self-discovery when he tries to escape his problems at home.
The Wall by William Sutcliffe (Bloomsbury)
The story of a boy who goes on a journey of discovery when he finds a way to cross the wall that divides his community from another