The Price of Altruism: George Price and the Search for the Origins of KindnessOren HarmanEsaurito3,6Avvisami
The constants of nature : from Alpha to Omega--the numbers that encode the deepest secrets of the universeJohn D. BarrowEsaurito3,4Avvisami
Planning Your Pregnancy and BirthThe American College of Obstetricians and GynecologistsEsaurito3,5Avvisami
