Dr. Michael Schraer is an independent researcher into ethno-religious relations, and the economic lives of the Jews, in medieval Spain. His publications include A Stake in the Ground, a book on real estate investment by Jews in the crown of Aragon, and works on the relationship between credit and land.

• Introduction.- 1. Roots.- 2. Famine, Plague and Unrest in the Fourteenth Century, 1348–1391.- 3. Gathering Storm Clouds, 1348–1390.- 4. Aftermath: Jews, Conversos, Inquisition and Expulsion.- 5. A Medieval Social Media Revolution?.

Dr. Michael Schraer is an independent researcher into ethno-religious relations, and the economic lives of the Jews, in medieval Spain. His publications include A Stake in the Ground, a book on real estate investment by Jews in the crown of Aragon, and works on the relationship between credit and land.

• Introduction.- 1. Roots.- 2. Famine, Plague and Unrest in the Fourteenth Century, 1348–1391.- 3. Gathering Storm Clouds, 1348–1390.- 4. Aftermath: Jews, Conversos, Inquisition and Expulsion.- 5. A Medieval Social Media Revolution?.

Dr. Michael Schraer is an independent researcher into ethno-religious relations, and the economic lives of the Jews, in medieval Spain. His publications include A Stake in the Ground, a book on real estate investment by Jews in the crown of Aragon, and works on the relationship between credit and land.

• Introduction.- 1. Roots.- 2. Famine, Plague and Unrest in the Fourteenth Century, 1348–1391.- 3. Gathering Storm Clouds, 1348–1390.- 4. Aftermath: Jews, Conversos, Inquisition and Expulsion.- 5. A Medieval Social Media Revolution?.