Discover the mysteries of the universe with this pack of 4 DVDs and books exploring the topic of planets and UFOs. Featuring experts such as Dean Grinsfelder and Micho Kaku, these documentaries delve into the science-fiction and nature documentary genre, with a PG rating suitable for all ages. The DVDs come in a tall/DVD case with a cardboard cover and plastic disc holder, while the books provide further insights into the subject. This pack is a must-have for anyone interested in space exploration and the wonders of the universe.