This textbook has been a reliable resource for students for years.
2021 / 2022 ASVAB For Dummies: Book + 7 Practice Tests Online + Flashcard – GOOD
This unbranded textbook is a basic but trustworthy resource for any learner.
Delmar’s Manual of Laboratory and Diagnostic Tests by Daniels, Rick, Acceptable
A nice touch in this textbook is the cheat sheet for common formulas.
Univariate Discrete Distributions by Norman L. Johnson (English) Hardcover Book
This textbook includes a DVD with video lectures and supplementary materials.
Ebay Business All-In-One for Dummies by Collier, Marsha
What stands out about this textbook is the clear separation of chapters by theme.

