Buy 3, pay for 2 — use code TRIPLEUS at checkout. Buy 3: 50% off the 3rd with TRIPLEUS50 Used books by David Crossley from $20.65 | HamelynDavid Crossley was a prominent British archaeologist and economic historian. His academic career was defined by his work as a university professor. Throughout his professional life, he published a total of 112 works. He is recognized for his interest in children's literature and movable books. His body of work includes studies on nursery rhymes and juvenile fiction.