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Book summary

Serendipity:

• The Curvature Of Spacetime: Newton, Einstein, And Gravitation by Harald Fritzsch (9780231118200)
• The Prophet of the Future Is in the Past by Lare L. Karen (9781411674028)
• Elektrodnye Materialy Dlia elektroiskrovogo Legirovaniia by A. D. Verkhoturov (9785020059740)