In this special edition of Popular Astronomy: - Dava Sobel's original new essay inspired by her best-selling book "The Glass Universe" - Dr. Michael Summers on exoplanets and "Diamond Worlds" - Dr. Jeffrey Bennett brings a cosmic perspective to the study of exoplanets - Best-selling author John Read delivers the perfect orientation to telescope selection—and astrophotography - Geoff Cottrell gives us a tour of the next big telescopes - Martin Griffiths takes us deep inside the nebulae - The legendary Wil Tirion guides us through the history of celestial cartography - Peter Pesic provides a fascinating historical perspective on music and the making of modern science - Astrophysicist Neil Comins brings the concept—and experience—of space tourism into focus - John Fossett shows us how to create an astronomy club through your local library - Jeff Bennett returns with an in-depth review of Eclipse 2017 - John Schroeter on the history of radio telescopes and the detection of mysterious fast radio bursts - George Musser's "Einstein's Castle in the Air" questions the essence of space and time - A special Popular Astronomy eBook recounting the history of Mars exploration