It's possible that there could be more than one condensed version, given how popular MH has been over the centuries, and the fact that his commentary is quite long. The one at the PCA bookstore is edited by Leslie F. Church: https://www.pcabookstore.com/p-502-matthew-henry-s-commentary-in-one-volume-KJV.aspx.
Leslie Church was a prominent British Methodist from the middle of the Twentieth Century, and was at one point President of the Methodist Society.