Answer:
I am needed for most animals and hardcover books
I am good at concealing what's real and hide what's true. Sometimes I bring out the courage in you!
I am a mountain at night, meadow at day. What am I?
What building has the most stories?
I go inside boots and outside shoes. What am I?
Lynn likes grapes but not potatoes. She likes squash but not lettuce, and she likes peas but not onions. Following the same rule, will she like pumpkins or apples?