Mrs. Rosenfeld doesn't discuss the identities of her clients or the institutions in which they contract lice, but infestations are common in the city's public and private schools. A pernicious recent outbreak among fifth and sixth graders at one well-regarded Brooklyn school is thought to have been advanced during a pillow fight at a Cobble Hill sleepover last November.
When scientists examine the varying width of tree rings, they indeed see a pernicious dry spell gripping the Southwest during the last quarter of the 13th century, around the height of the abandonment.
"Without books the development of civilization would have been impossible. They are the engines of change, windows of the world, lighthouses erect in the sea of time. They are companions, teachers, magicians, bankers of the treasures of the mind. Books are humanity in print." - Barbara Tuchman