- I Am the Frankenstein Monster
- I brøndens mørke
- I Loathe You
- I Love My Fur!
- I Love You More Than Moldy Ham
- I miei vicini Goolz. Una brutta notte per i bulli
- I Roar
- I Scream, You Scream (Scary Tales 2)
- I Scream, You Scream!
- I See Moon Dust
- I See Mousse
- I See Rainbows
- I See Spirits
- I segreti di Acquamorta. Delitto al lago
- I So Don't Do Famous
- I Turned Into a Zombie
- I Want To Be Somebody New
- I'm a Little Vampire
- I'm the Scariest Thing in the Castle
- Iano e il segreto dell'allegria
- Ice Scream
- Ice Scream
- Ich bin Nummer Vier
- Ich, der Creeper
- Ich, der Schleim
- Icky Ricky #2: The End of the World
- If I Were Your Monster
- If Your Monster Won't Go To Bed
- Ignatius MacFarland 2: Frequency Freak-out!
- Ignition (#12) (Dragon's Fire)
- Ihmissuden salaisuus
- In a Dark, Dark Room and Other Scary Stories
- In The Deep Woods Of Dudleytown
- Indelible
- Infestation
- Ingen kommer levande härifrån
- Ink
- Inolvidables
- Inside The Worm
- Insidious
- Insolite Tome 3
- Internat Lindenberg. Achtung, es spukt!
- Into the Shadowlands
- Invasion of the Junkyard Hog
- Invasion of the Mind Swappers from Asteroid 6!
- Invasion of the Scorp-lions
- Invisible
- Is She for Real?
- Isabella's Pink Bicycle
- Isdragen
- Isla Vudú
- Issrilla the Creeping Menace
- It Came From Afar, Day One
- It Came from Beneath the Bed!
- It Came from Under the Highchair: Salió de debajo de la silla para comer: A Mystery in English & Spa...
- It Spells Z-O-M-B-I-E!
- It Wasn't Me: A Bloomsbury Young Reader
- It's All About the Werewolf
- It's All Downhill from Here
- It's Not Easy Being Undead
- It's Raining Bats and Frogs!