Euclid's Extension to the Theorem of Pythagoras - dual-language edition (dual-language short short stories)

This is the third edition of the English - German short short story! (English in black print - German in a dark green - [some math in this story ;-) easy to comprehend by illustration and sketches added to the story - > 14 years])

For more info see:
http://fachübersetzung-mahlke.de/literatur