Arsenic-laced books removed from French library

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Image source, STEPHANE DE SAKUTIN/AFP Image caption, The Bibliotheque Nationale de France in Paris holds more than 16 million books Four books have been removed from France's national library over concerns their covers may be laced with poisonous arsenic.
"We have put these works in quarantine and an external laboratory will analyse them to evaluate how much arsenic is present in each volume," said a spokesperson from the National Library of France.
The four books include the 1862-1863 book of the Royal Horticultural Society, two volumes of Edward Hayes' "The Ballads of Ireland" from 1855, and an 1856 bilingual anthology of Romanian poetry by Henry Stanley.
The list of potentially hazardous titles was put together by the Poison Book Project.