Secrets and Silk: The Malory Archer Story are the memoirs of Malory Archer, which are currently being written according to her letter, which is signed, in the foreword for her son Sterling Archer's book How to Archer: The Ultimate Guide to Espionage and Style and Women and Also Cocktails Ever Written. The written letter can be found here.
Malory mentions taking time to write these memoirs during "White Elephant".