![The Day-Glo Brothers: The True Story of Bob and Joe Switzer's Bright Ideas and Brand-New Colors](/sites/default/files/styles/book_cover_mobile_1x/public/book/157091673X.jpg?itok=sQ6Bq1MC)
Ever hear of psychedelic colors? Meet Joe and Bob Switzer who invented interesting new colors — which not only defined a generation but helped save lives. Cartoon-like illustrations complement the tone of this picture book biography.
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