I've read all 62 original Goosebumps books, and here's my ranking:
- 62: Chicken Chicken
- 61: Legend of the Lost Legend
- 60: The Curse of Camp Cold Lake
- 59: Don't Go to Sleep!
- 58: Deep Trouble II
- 57: How I Learned to Fly
- 56: Piano Lessons Can Be Murder
- 55: You Can't Scare Me!
- 54: Ghost Camp
- 53: Say Cheese and Die Again!
- 52: The Barking Ghost
- 51: Go Eat Worms
- 50: The Headless Ghost
- 49: Monster Blood IV
- 48: Bad Hare Day
- 47: It Came from Beneath the Sink
- 46: I Live in Your Basement
- 45: The Horror at Camp Jellyjam
- 44: Werewolf Skin
- 43: The Haunted Mask II
- 42: Beware, the Snowman
- 41: Egg Monsters from Mars
- 40: Monster Blood III
- 39: Attack of the Mutant
- 38: My Hairiest Adventure
- 37: The Curse of the Mummy's Tomb
- 36: The Haunted School
- 35: Stay Out of the Basment
- 34: Welcome to Camp Nightmare
- 33: How I Got My Shrunken Head
- 32: Why I'm Afraid of Bees
- 31: A Night in Terror Tower
- 30: Let's Get Invisible!
- 29: Say Cheese and Die!
- 28:The Scarecrow walks at Midnight
- 27: Monster Blood II
- 26: My Best Friend is Invisible
- 25: Vampire Breath
- 24: Deep Trouble
- 23: How to Kill a Monster
- 22: The Blob That Ate Everyone
- 21: Phantom of the Auditorium
- 20: The Beast From the East
- 19: Night of the Living Dummy III
- 18: Welcome to Dead House
- 17: The Haunted Mask
- 16: Calling All Creeps
- 15: Return of the Mummy
- 14: Monster Blood
- 13: One Day at HorrorLand
- 12: The Cuckoo Clock of Doom
- 11: Be Careful What you Wish For
- 10: Night of the Living Dummy II
- 9: Ghost Beach
- 8: The Girl Who Cried Monster
- 7: The Abominable Snowman of Pasadena
- 6: A Shocker on Shock Street
- 5: Attack of the Jack O Lanterns
- 4: Revenge of the Lawn Gnomes
- 3: The Werewolf of Fever Swamp
- 2: The Ghost Next Door
- 1: Night of the Living Dummy