My sixth-grade teacher’s copy was one of the most fascinating objects of my childhood, and it still makes me giggle with delight.

To give a taste of what the book is like, here’s an abridged version of 15-39 “Density of various solids”. The idea that someone would need a handy reference for the density of cardboard, sandstone, butter, and thirty-eight different kinds of wood is hilarious — but they must be the most interesting person in the world!

MaterialDensity
Amber1.06–1.11
Asbestos2.0–2.8
Asphalt1.1–1.5
Beeswax0.96–0.97
Bone1.7–2.0
Brick1.4–2.2
Butter0.86–0.87
Cardboard0.69
Chalk1.9–2.8
Charcoal, oak0.57
Charcoal, pine0.28–0.44
Clay1.8–2.6
Cork0.22–0.26
Diamond3.51
Gelatin1.27
Glass2.4–2.8
Granite2.64–2.76
Ice0.917
Iron, cast7.0–7.4
Limestone2.68–2.76
Paper0.7–1.15
Polyethylene0.92–0.97
Porcelain2.3–2.5
Quartz2.65
Rubber, hard1.19
Sandstone2.14–2.36
Sugar1.59
Wood, balsa0.11–0.14
Wood, bamboo0.31–0.40
Wood, cedar0.49–0.57
Wood, mahogany0.66–0.85
Wood, oak0.60–0.90