Topics in Applied Probability is meant to supplement the collection Applied Probability with examples, further problems, and m-files. This collection is not meant to stand alone but rather serve as a miscellany of further content not included in the original collection. Topics discussed in this collection include Martingale Sequences and Markov Procedures as well as a few others. In addition, the collection of m-files contains both the user-defined programs and a collection of m-files for specific problems with properly formatted data.