Diagram from page 52 of the 1922 volume The Science of Common Things depicting the organs of the digestive system, including the mouth, throat, stomach, gall bladder, and spleen.

The Science of Common Things is a junior high school/high school-level textbook on science with topics including air; food; water; weather; fire; heating, lighting and electricity within homes; clothing and microscopic organisms. Begins with a foreword to the teacher with subsequent content including scientific projects and experiments. End of book contains a bibliography of children's books on science as well as as list of equipment needed for text teachings. Scientific diagrams and illustrations can be found throughout the text including printed photographic reproductions of students conducting experiments and lab equipment setups for experiments.