Questia offers some information free of charge , including several public domain works , publication information , tables of contents , the first page of every chapter , Boolean searches of the contents of the library , and short bibliographies of available books and articles on some 6500 topics .
Questia offers some information for free , including several public domain works , publication information , tables of contents , the first page of every chapter , Boolean searches of the contents of the library , and short bibliographies of available books and articles on some 6500 topics .