Download or read book Zip-Line written by David Humpherys and published by Createspace Independent Publishing Platform. This book was released on 2012-09-10 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Zip-Line is a charming children's book written for young boys and girls that had open heart surgery and are left with a "zip-line"--A large scar on their chest. Written and illustrated by the father of a baby girl who had open heart surgery at 6 months of age, this heart warming rhyme book whimsically explains the answer to the question "How did that line get there?""--Author's website