Dr. Leah Keshet has written two textbooks for first- and second-semester calculus for the life sciences. This textbook has been used in MATH 102 for three years now, with a yearly enrolment of about 1,000 students. With the text in a fairly stable, finalized state, she spent last summer engaging recent Math 102 alumni, leading undergraduate students through developing even more open resources, including homework problems and solutions.