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Book summary

Serendipity:

• The Method of Trigonometrical Sums in the Theory of Numbers by Ivan Matveevich Vinogradov (9780486438788)
• A Tower of Polished Black Stones: Early Versions of The Shadowy Waters by W. B. Yeats (9780851051925)
• Enzymes As Catalysts in Organic Synthesis by Schneider (9789027722676)