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Book summary

Serendipity:

• Estimation and Tracking: Principles, Techniques, and Software by Yaakov Bar-Shalom (9780964831216)
• Herakleides Kritikos Uber Die Stadte in Hellas: Eine Periegese Griechenlands Am Vorabend Des... by Heraclides (9783831605965)
• Human Development Theories: Windows on Culture by R. Murray Thomas (9780761920151)