I read - a lot. I read multiple books at a time. I have done this kind of reading for over 50 years.
I read from one book, then turn to another book, then another, then back to the first books, and so on.
Here are the books I am reading right now.
One Faith No Longer, by George Yancey and Ashlee Quosijk
Miracles Today: The Supernatural Work of God in the Modern World, by Craig Keener (I have to read this book slowly, since many of the stories are so stunning.)
The Atonement, by William Lane Craig
Jesus and John Wayne, by Kristin Kobes du Mez (Du Mez teaches at Calvin University. See the reviews.)
Lost in Thought: The Hidden Pleasures of an Intellectual Life, by Zena Hitz
Into the Abyss: A Neuropsychiatrist's Notes on Troubled Minds, by Anthony David
Sources of the Self: The Making of the Modern Identity, by Charles Taylor (I've been reading this book for a year!)