The King wants to give the Queen something special for her birthday. The Queen has everything, everything except a bed. The trouble is that no one in the Kingdom knows the answer to a very important question: How Big is a Bed? because beds at the time had not yet been invented. The Queen's birthday is only a few days away. How can they figure out what size the bed should be?

Rolf Myller (1926–2006) was a German architect and writer best known for his children's book?How Big Is a Foot?, which he also illustrated. Aside from writing for young readers, he also published architectural manuals, puzzle books, and guides to everything from erotic games to restaurants in New York City's Chinatown.