The 21st Century Junior Library Women Innovators series highlights the contributions of women to STEM fields. Gertrude B. Elion and Pharmacology examines the life of this important woman and her contributions to the field of pharmacology. Sidebars encourage readers to engage in the material by asking deeper questions or conducting individual research. Full color photos, a glossary, and a listing of additional resources all enhance the learning experience.|Index|Sources for further research|Glossary of key words|The 21st Century Junior Library Women Innovators series examines the lives and important contributions of women to STEM fields, providing age-appropriate content, aligned to curriculum standards, and adds colorful sidebars encouraging students to LOOK, THINK, MAKE A GUESS, ASK QUESTIONS, or CREATE. This combination of reading and inquiry helps students develop the skills and content mastery needed to succeed in the 21st Century. Full color photos, a glossary, and a listing of additional resources all enhance the learning experience.