• The best books on giant space rocks that threaten Earth
• The best stories about near-future, near-space
• The best books to hook young readers on puzzling and magical mysteries
• The best middle grade books adults and kids can laugh at
• The best teen books for embracing your inner geek
• The best books about peaceful alien contact
• The best children’s books about kindness and friendship
• The best books created because of the April blogging from #AtoZChallenge
• The best upper middle-grade fantasy books that capture the imagination
• The most intriguing middle grade mysteries that visit other worlds
• The best books featuring magical houses
• The best books that tell exceptional stories of flight by aircraft and spaceships