Download or read book Continuum Conundrum written by John Barber and published by IDW Publishing. This book was released on 2016 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Spring, 1986. Marty McFly, depressed because life without Doc Brown is just plain boring, receives an alarming letter from Clara in 1893: Doc has disappeared in the time stream and Marty is the only one who can find him!"--Page 4 of cover.