Inventions and Discovery

Madam C. J. Walker and New Cosmetics by Katherine Krohn

Madam C. J. Walker and New Cosmetics

Inventions and Discovery

Katherine Krohn

32 pages • missing pub info (editions)

nonfiction autobiography biography childrens historical history science technology medium-paced
Jonas Salk and the Polio Vaccine by Katherine Krohn

Jonas Salk and the Polio Vaccine

Inventions and Discovery

Katherine Krohn

32 pages • missing pub info (editions)

nonfiction autobiography biography childrens historical science technology