"The Great Divorce," C. S. Lewis. Is about 120 pages, has lots of open space, as mainly dialogue.
"Nineteen Ways of Looking at Wang Wei," Weinberger and Paz. Also of few pages, lots of open spaces.
"The Yoga of Nutrition," O. M. Aivanhov.
"The Neverending Story," Michael Ende.
"West with the Night," Beryl Markham.
"The Day after Roswell," Colonel Philip Corso.
"Freakonomics," S. Levitt.
"The Reincarnation of Edgar Cayce?", Free and Wilcock.
"Alcatraz versus the Evil Librarians," Brandon Sanderson.
"The Little Prince," Saint-Exupery.
"Tintin" series, Herge.
"Testimony of Light," Helen Greaves.
"And There Was Light," Jacques Lusseyran.
"A Wrinkle in Time" series, L'Engle.
"The Masters and Their Retreats," Mark Prophet.
"They Call Me Coach," John Wooden.
"Hope Rising," Kim Meeder.
"For Men Only," Shaunti Feldhahn.
"University of Destruction," David Wheaton.
"The Master of Lucid Dreams," Dr. Olga Kharitidi.
These are all good books, and reviews are at http://www.amazon.com
Try reading a few.