Claim: The Premio Planeta de Novela, a Spanish literary prize, is the world's most valuable book prize for a single book, and is the second most valuable overall following the Nobel Prize for Literature.
Evidence: The Premio Planeta de Novela is a Spanish literary prize, awarded since 1952 by the Spanish publisher Grupo Planeta to an original novel written in Spanish (Castilian). In terms of a single book prize, it is the most valuable in the world. Financially, it is the second most valuable literary award in the world after the Nobel Prize for Literature with the winner receiving €601,000.