Title: Astonishing ancient world scientists
Subtitle: eight great brains
Description: "Read about some of the most well-known ancient scientists and mathematicians: Pythagoras, Hippocrates, Aristotle, Archimedes, Galen, Ptolemy, Zhang Heng, and al-Khwarizmi"--Provided by publisher.
Subjects: Mathematicians, Ancient Science, Scientists, Juvenile literature, Ancient Mathematics, Biography, Scientists, juvenile literature, Science, Science, juvenile literature, Mathematics, Mathematics, juvenile literature