Entropy is an open access journal which maintains a rigorous and fast peer-review system with a median publication time of 53.5 days from submission to publication online. It was established in 1999 and is monthly published by MDPI. It is fully covered by the leading indexing and abstracting services, including Scopus and SCIE (Web of Science), Google Scholar and MathSciNet. The official Impact Factor for Entropy is 1.821 (2016). We kindly invite you to visit our website.