From New York Times bestselling author Joan Holub comes an action-packed four-book collection full of silly knights, ninjas, robots, and dinosaurs! The first four books in the Hello novelty board book series from Joan Holub, is now available in one hilarious collection! Perfect for reading out loud, Holub's hilarious text and Chris Dickason's playful illustrations will have little ones learning and laughing as they meet a group of silly knights, ninjas, robots, and dinosaurs! A clever, interactive approach to first concepts, the Hello board books introduce important "next-step" concepts like opposites, counting, sequencing, and comparisons! This awesome collection includes: Hello Knights! Hello Ninjas! Hello Robots! Hello Dinosaurs!