2 books in 1! Pharmacology Dosage calculations Save time and money with two books in one! Half pharmacology, half dosage calculations-plus an intensive, yet clear & simple review of basic math! Here's the must-have knowledge and guidance you need to gain a solid understanding of pharmacology and the safe administration of medications in one text. A body systems approach to pharmacology with a basic math review and a focus on drug classifications prepare you for administering specific drugs in the clinical setting.