BESTSELLING SERIES: The Abrams Block Book series continues to grow, with more than 1.5 million copies sold.HIGH-INTEREST TOPIC: Always a favorite with young readers, space is a particularly hot topic now with space exploration in the news every day, and the successful landing on Mars of the Perseverance rover.ORIGINAL ART STYLE: Renowned design team Peski Studio once again brings a fresh edge to a popular category.HIGH-VALUE PACKAGE: An inviting, chunky package perfect for little hands.