Book Review of Practical Aspects of Trapped Ion Mass Spectrometry, Volume IV: Theory and Instrumentation Practical Aspects of Trapped Ion Mass Spectrometry, Volume IV: Theory and Instrumentation . Edited by Raymond E. March (Trent University, Ontario, Canada) and John F. J. Todd (University of Kent, Canterbury, U.K.). CRC Press (an imprint of Taylor & Francis Group) : Boca Raton, FL . 2010 . x + 922 pp. $179.95. ISBN 978-1-4200-8371-2 .