One could argue that SmallTalk missed its chance as ubiquity because the development vendors charged obscene prices.
Alan Kay has led the development of this Open Source (and scalable) version of SmallTalk. The name came in anticipation of Alan's move from Apple to Disney.
Squeak EToys was inspired by Logo , PARC-SmallTalk, HyperCard, and StarLogo. http://squeakland.org/school/HTML/essays/essays.html
books since 2002
would really like a Squeak version of Mitchel Resnick's StarLogo book - it doesn't look like that's happened, but here are some resources: