The "PZL P.11c" is a book written by a team of authors including Bartłomiej Belcarz, Artur Juszczak, Tomasz Makowski, and Robert Pęczk. It was published in 1998 and is available in both Spanish and English. The book focuses on the PZL P.11c, likely providing detailed information and insights about the aircraft, possibly including historical background, technical specifications, and performance characteristics. This publication would be of interest to aviation enthusiasts, historians, and professionals in the field.