Polio Pioneer series-Spy School Laid into each copy is

Laid into each copy is an Eric Carle-illustrated door tag that says "Come in

they pass a man sitting on a bench

the disgraced expert on the alien race

They’re also somehow…spectacular

opaque gouache

Polio Pioneer series-Spy School Laid into each copy isDr. Jonas Salk is one of the most celebrated doctors and medical researchers of the 20th century. The child of immigrants who never learned to speak English, Jonas was struck by the devastation he saw when the soldiers returned from battle after WWII. Determined to help, he worked to become a doctor and eventually joined the team that created the influenza vaccine. But Jonas wanted to do more. As polio ravaged the United Stateseven the president was