As of my knowledge cutoff date in 2023, there is no widely recognized author with the name Lys Blakeslee that has a significant body of work or a substantial presence in the literary world. It is possible that Lys Blakeslee could be an emerging writer, a lesser-known author, or perhaps a figure in a niche genre or academic field with a limited audience. Without additional context or specific details about the works or contributions of Lys Blakeslee, I am unable to provide a short description of this individual. If you are inquiring about a specific book or article written by Lys Blakeslee, please provide more details, and I will do my best to assist you. Alternatively, it's possible that new information about the author has emerged after my knowledge cutoff date, so you may want to check current resources or databases for the most up-to-date information.