Source: http://mundobocado.blogspot.com.License: All Rights Reserved.

Campy sci-fi book series published in Spanish throughout the 1970s, as seen on Mundo Bocado. Many more examples, complete with art and design credits, at Le Tercera Fundación.

Source: http://mundobocado.blogspot.com.License: All Rights Reserved.

Source: http://mundobocado.blogspot.com.License: All Rights Reserved.

Source: http://mundobocado.blogspot.com.License: All Rights Reserved.

Source: http://mundobocado.blogspot.com.License: All Rights Reserved.

Source: http://mundobocado.blogspot.com.License: All Rights Reserved.