Paper covered card stock, illustrated cover; blind staple binding. Book consists of reproduced, black and white and color collages taken primarily from engraved images. CBA copy is accompanied by an air mail envelope, postmarked "Nippon...2/02/09". The artist's return address is tipped in on the recto of the envelope. Inside of the envelope is a note written by the artist, "Enclosed is my latest artist's book 'Private Natural History'. Best wishes, Keiichi", and also another artwork, "Coll@@rt with Pierpaolo Limongelli". This work is a small book with laser print wraps and pages containing laser printed reproductions of collages.