Journey Through Time A Chronology of Middle Level Education Resources Book

It takes about half the book to get really into it, but once he gets to the point it's highly interesting. I'm familiar with almost all he describes from my own experience and the explanations are most disturbing ... "Enlightenment is man’s leaving his self-caused immaturity. Immaturity is the incapacity to use one's intelligence without the guidance of another. Such immaturity is self-caused if it is not caused by lack of intelligence, but by lack of determination and courage to use one's intelligence without being guided by another. Sapere Aude! (I. Kant)