Trivia facts about the Middle Ages, weather events, and even paranormal ­occurrences can be found in this series. Each title begins with a short summary of the topic before providing brief historical facts, famous people, and events associated with it. ­Photos and infographics on each page complement short paragraphs, with vocabulary words in bold. The back matter contains a glossary and index and additional resources. Although the text is not comprehensive, it is meant to provide quick facts to pique ­reader interest and can lead to more research. ­VERDICT For elementary readers who love trivia on a wide range of topics.