| 1. | ![[017 WPA Pennsylvania Writers' Project] Lightning and electricity / Compiled by workers of the Writers' [017 WPA Pennsylvania Writers' Project] Lightning and electricity / Compiled by workers of the Writers'](/cgi-bin/thumbnail.exe?CISOROOT=/WPAChildren&CISOPTR=1752) | [017 WPA Pennsylvania Writers' Project] Lightning and electricity / Compiled by workers of the Writers' Program of the Work Projects Administration in the Commonwealth of Pennsylvania. | Electricity -- Juvenile literature. Lightning -- Juvenile literature. | 46 p. : ills. (some col.) ; 19cm. |