It contains 8,800 mass spectrum records obtained from 4,379 compounds categorized as either designer or medicinal drugs, chemical warfare agents or explosives. It even covers those substances yet to be recorded by the police, but which are likely to be encountered by crime prevention and investigation authorities, in both the areas of illicit drugs and homeland security.

The perfect companion for users of the Roesner database, this print edition features a wealth of additional data not contained in the online version, such as U.S. and U. N. legal category information, chromatographic data and mass spectrum quality and similarity indices.