Budding scientists will have fun testing their knowledge of strange phenomena in this selection from the “Crabtree Connections” series. The book briefly discusses such scientific mysteries as the Bermuda Triangle, Bigfoot, and alien invasions, as well as questions like “does lightning strike twice?” After presenting a few brief factoids and several pictures, readers must decide if the science mystery in question is true, false, or unknown. Readers can check their answers at the back of the book. In some cases, readers will have fun discovering unusual facts.