★★ Paperback version contains bonus content and additional pages. ★★Get ready for an awesome journey Every kid wants to know why the sky is blue. "Why Is The Sky Blue?" is The Most Interesting Question Kids Have Ever Asked. This Book is here to help You answer that tricky question. Featuring many brightly colored pictures and simple words for kindergarten and elementary school students, This is the perfect educational book to introduce basic scientific concepts to your kids in a fun way, as well as nurturing their curiosity. A random cool fact a day may be all You need to satisfy their appetite for knowledge.