This book, Understanding Statistical Package for the Social Sciences (SPSS) is a bomb, but not an explosive bomb, SPSS statistical bomb, as hardly you will see its kind elsewhere, especially one that explodes and run so many SPSS statistical packages as well as allow readers to run the analysis by themselves without seeking for assistance. The book is practical in nature, it is lucid and simple to comprehend. The book start by defining what is SPSS, how to enter data, how to create variable and data view, clean and save data. It also discusses measures in SPSS and the four scale of measurement in statistics. The book goes further by defining what is statistics, types of statistics, measures of central tendency, measures of dispersion etc. It Also discusses on parametric and non parametric statistics and run almost all the most widely used statistical analysis under parametric and non parametric statistics such as t test, PPMC, Spearman r, ANOVA, Regression analysis, Chi square goodness of fit and test of association, factor analysis, Cronbach alpha etc. The good thing about this book is, it is practical in nature and one can run the analysis him/herself without tears.