Introduction.- Chapter 1. The paradigm of stable intraplate regions and neotectonics in northeastern Brazil.- Chapter 2. Understanding the geological setting of northeastern Brazil.- Chapter 3. The geomorphology of the Northeast: Classical and current perspectives.- Chapter 4. The erosion and exhumation of massifs in Precambrian shear zones.- Chapter 5. The morphostructural evolution of Cretaceous basins.- Chapter 6. Karstic geomorphology.- Chapter 7. Neotectonics and River valleys.- Annexes.