Remove my first two letters, and I am what you read before bed. Put 'Sp' back at my start, and I become a shadowy monster meant to give you a scare. What am I?
A spook
A printed item you read before going to sleep is a 'book.' By replacing the initial letter 'B' with 'Sp,' the word transforms into 'spook,' which is a synonym for a scary ghost or spirit.
About this riddle
Wordplay riddles depend on how words look and sound. Watch for double meanings, hidden words and letters you can move or remove.
Difficulty: Medium. More like this: Wordplay riddles with answers or try Anagrid for a different kind of puzzle.
More wordplay riddles
What is a freezing monarch's absolute favorite winter accessory?
What can travel all around the globe while resting tightly in a corner?
I spend dawn clearing kitchen crumbs with straw bristles, but at twilight, I lift off into the autumn breeze to chauffeur a cackling witch. What am I?
I am an aromatic evergreen branch cut down for Christmas, but transform me into a verb and I mean longing with an aching heart through the lonely winter cold. What word am I?
The spring storm's sudden cloudburst sends a torrent of water rushing past, matching the flow of electrons through a copper wire; swap a single 'e' for an 'a' and I become a tart red berry growing on a garden bush. What is the original word?
I am light as a feather, yet not even the strongest person in the world can hold me for very long. What am I?

