Learning During Natural Sleep; a Revolution in Education L.A. Bliznitchenko
1967. No Edition Remarks. 139 pages. Pages are lightly tanned and foxed throughout. Occasional thumb-marking present. Binding remains firm. Boards have mild edge wear with slight rubbing to surfaces. Soft crushing to spine ends. Unclipped jacket has light edge wear with chips, tears and creasing. Small stain to front panel edge. Rubbed dark marking overall.