AERO 89 Československé prototypy 1938 - 2. díl Avia B-158, Letov Š-50 – Kučera Pavel (2022)

The second edition of this publication, this time in Aero format. It follows Aero no. 61 and no. 87. It details the development and testing of the observation and reconnaissance aircraft Letov Š-50, while also completing the monograph on the bomber aircraft Avia B-158 from AERA no. 87. The publication contains numerous photographs from the testing process, including construction details, color previews, and drawings.