Series beginning with P
- P.K. Pinkerton Mysteries
- Paddington Bear
- Pages & Co.
- Pain and the Great One
- Paintbrush Saga
- Palace Chronicles
- Paladin Prophecy
- Palomino Pony
- Pameroy Mysteries
- Panda at the Door
- Paninis of Pompeii
- Paola Santiago
- Paper & Hearts Society
- Parasol Protectorate
- Parvana
- Patience Goodspeed
- Patrick Pennington
- Pea's Book Series
- Peanut Jones
- Peanut, Butter & Crackers
- Peasprout Chen
- Pegasus
- Pegasus Princesses
- Penderwicks
- Pendragon
- Pendragon Legacy
- Penelope Crumb
- Penny Dreadful
- Penny Dreadful Stories
- Percy Jackson & the Olympians
- Percy Jackson Companion Books
- Perfect Fire Trilogy
- Perfectionists
- Perilous Journey of Danger and Mayhem
- PESTS
- Pet Defenders
- Pet Rescue Adventures
- Peter and the Starcatchers
- Pets From Space
- Phantom Stallion
- Philippa Fisher
- Phoebe Nash
- Phoenix Files
- Phoenix Rising
- Phyllis Wong Mysteries
- Picklewitch and Jack
- Pigeon Summer Trilogy
- Pigsticks and Harold
- Pillage Trilogy
- Pioneer
- Piper Investigations
- Piper McCloud
- Piper Reed
- Pippa's Pony Tales
- Pippi Longstocking
- Piratica
- Pixie Magic
- Pizazz
- Place Called Perfect
- Planet Omar
- Planet Yule
- The Player's
- Pocket Cats
- Pocket Pirates
- Point Last Seen
- Poison Diaries
- Polly Price's Totally Secret Diary
- Pollyanna
- Pony Called Secret
- Pony Camp Dairies
- Pony Club Rivals
- Pony Club Secrets
- Pony Detectives
- Pony Whisperer
- Pooch Parlour
- Poppy Fields Mysteries
- Poppy Love
- Poppy Pendle
- Poppy Pym
- Poppy Sinclair
- Poppy the Pirate Dog
- Poppy's Place
- Portal Chronicles
- Potion Diaries
- Potkin and Stubbs
- Power of Five
- Precious Ramotswe
- President Series
- Pretty Little Liars
- Prince in Waiting
- Prince Jake
- Prince Warriors Trilogy
- Princess Academy
- Princess Diaries
- Princess Disgrace
- Princess in Black
- Princess Katie's Kittens
- Princess Minna
- Princess of Pets
- Princess Ponies
- Princess Rules
- Princess School
- Printer's Devil
- Prison Runner
- Prisoner of Ice and Snow
- Private
- Private Blog of Joe Cowley
- Problim Children
- Professor Brownstone's Mythical Collection
- Professor P
- Program
- Project Nemesis
- Promises of Dr Sigmiundus
- Prosper Redding
- Protector of the Small Quartet
- Pug
- Pump Street Primary
- Pumpkin Falls Mysteries
- Punchbowl Farm
- Puppies of Blossom Meadow
- Puppies Online
- Puppy Academy
- Puppy Club
- Puppy Place
- Puppy Place Special Editions
- Pure Dead