"By the early 1950s Walt Disney's great achievements in animation were behind him, and he was increasingly bored by the two-dimensional film medium. He wanted to work in three, to build an entirely new sort of amusement park, one that relied more on cinematic techniques than on thrill rides, one from which all tawdriness had been purged. He achieved it, but just barely: he ran out of money, had to borrow against his life insurance, fell out with his...

In "A Measureless Peril," the historian Richard Snow captures all the drama of the merciless contest between the quickly built U.S. warships and the ever-more cunning and lethal U-boats that controlled the sea lanes of the Atlantic during WWII.