Small Talk Ebooks

One of my friend has asked me about some Ebooks on small talk.

I could not get many of them. I could hardly able to find two of them i am posting those books links here.

Smalltalk: An Introduction to Application Development Using VisualWorksBy Trevor Hopkins
http://www.iam.unibe.ch/~ducasse/FreeBooks/HopkinsHoran/HopkinsHoran.pdf

ftp://st.cs.uiuc.edu/pub/Smalltalk/books/Book_Answers.tar.gz

Smalltalk and Object Orientation: An IntroductionBy John Hunt
http://www.iam.unibe.ch/~ducasse/FreeBooks/STandOO/Smalltalk-and-OO.pdf

Please provide me any other Ebook links for small talk.