About Nicholle Einstein Books by Nicholle Einstein Animal Riddles by (author) Nicholle Einstein Ages 6 to 8 Grades 1 to 3 Dinosaur Jokes by (author) Nicholle Einstein Ages 6 to 8 Grades 1 to 3 Animal Knock-Knock Jokes by (author) Nicholle Einstein Ages 6 to 8 Grades 1 to 3