This CD-ROM reference source is the 1999 update to the print copy of the 8th edition of the Table of Isotopes, by Richard B. Firestone. Resources include the table of isotopes, the table of superdeformed nuclear bands and fission isomers, the isotope explorer, and an internet table of isotopes. The CD-ROM also includes appendices to the table of isotopes, including elemental properties, atomic data, radioactive decay data, and many other useful references for the study of isotopes.