Dear colleague, We are delighted to bring to your attention a special issue of the journal Mathematical Physics, Analysis and Geometry (MPAG) on the occasion of Ising Model’s centenary. [image: ISINGat100-2.jpg] The special issue can be accessed and freely downloaded at: https://link.springer.com/journal/11040/updates/27825832 Best wishes Siva Athreya, Cristian Giardinà (On Behalf of the Editorial Board)