How Things Work Encyclopedia - Hardcover By DK - GOOD

My Encyclopedia of Very Important Things - Hardcover By DK - VERY GOOD

My Encyclopedia of Very Important Things - Hardcover By DK - GOOD

First Science Encyclopedia - Hardcover By DK - VERY GOOD

World War II: Visual Encyclopedia - Hardcover By DK - VERY GOOD

How Technology Works (How Things Work) - Hardcover By DK - GOOD

Star Wars Character Encyclopedia - Hardcover By DK Publishing - VERY GOOD

Star Wars Character Encyclopedia, New Edition - Hardcover By DK - VERY GOOD