There has been data ("Defending Your Castle: Build Catapults, Crossbows, Moats, Bulletproof Shields, and More Defensive Devices to Fend Off the Invading Hordes") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Mon Feb 3 11:38:11 2020, so the data displayed here has been removed .