The ISBN of Where Once We Walked is 1886223157.
The ISBN of The Man Who Walked Between the Towers is 0761317910.
The ISBN of The Woman Who Walked into Doors is 0-224-04272-6.
The ISBN of Once An Eagle is 0-06-103086-4.
The ISBN of As I Walked Out One Midsummer Morning is 0-233-96117-8.
The ISBN of Once a Hero - novel - is 0-671-87871-9.
The ISBN of Here My Home Once Stood - book - is 978-0615217031.
The ISBN of Once Upon a Time in the North is 978-0-385-61432-0.
Where Once We Walked was created in 1991.
Where Once We Walked has 736 pages.
No one walked on the moon more than once. Three astronauts flew to the moon but only walked on it once each.
The ISBN of The Summoned is 0-7434-0700-8.
The ISBN of Concrete Mathematics is 0201558025.