id author title date pages extension mime words sentence flesch summary cache txt crl-14198 Osburn, Charles B. The Identification of Progress in Learning (Book Review) 1986-03-01 2 .pdf application/pdf 1267 57 53 Disavowing any at- tempt to define antiquarian books or booksellers, and ·evading many of the questions and problems surrounding what must appear to the uninitiated as es- sentially a luxury trade, she has limited the audience for her book to the true be- lievers of bibliophily. The epigraph of this book is a quotation from Sir Stanley Unwin to the effect that while writing, printing, and reading books are difficult tasks, the most diffi- cult task that a mortal man can embark on is to sell a book. cache/crl-14198.pdf txt/crl-14198.txt