Practical Methods for Design and Analysis of Complex Surveys
This textbook is used in many universities across the country.
Missing Data (Statistics for Social and Behavioral Sciences)
You will find that this textbook is easy to carry around between classes.
Small Unit Tactics: An Illustrated Manual (Field Manual)
(Also available in Spanish, French, and German.). Written by U.S. Army Special Forces Veterans. This 4″x 6″ field manual uses small text to be pocket-sized, making it lightweight and easy to carry. Small Unit Tactics is your best guide for mastering the art of using soldiers in squads and platoons to conduct warfare.