00522cam a2200181 4500 377039572 TxAuBib 20170330120000.0 151205s2015||||||||||||||||||||||||eng|u 50622 Project Gutenberg PGUSA eng TxAuBib Leinster, Murray. The Silver Menace [Gutenberg] / Murray Leinster. Project Gutenberg, 2015. Public domain in the USA. Text. Science fiction. http://www.gutenberg.org/ebooks/50622