A third book on the late Tun Tan Siew Sin's ancestral home has been released, in appreciation and preservation of the unique Baba Nyonya heritage. The book, Within the Walls of Tun Tan Siew Sin's Ancestral Home, is co-authored by Siew Sin's daughter Datin Paduka Tan Siok Choo and family friend Datuk Dr Lee Yow Ching.