I'd be interested to see what others consider a suitable general learning path for Lisp.
Though it is an alien...
Btw., for a decade or so O'Reilly actively refused to publish Lisp books - which did not make them very liked in the community.
It's actually inspired by Conrad Barski's 'Casting SPELs in Lisp' (http://www.lisperati.com/casting.html), which in turn was inspired by Why's Guide to Ruby (I think). Conrad Barski actually wrote a Haskell comic book tutorial that predates 'Learn you a Haskell' (http://lisperati.com/haskell/). Not only that, but Conrad's full-length Lisp tutorial comic book, Land of Lisp, is due to hit the shelves in four days: http://www.amazon.com/Land-Lisp-Learn-Program-Game/dp/159327...
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https://leanpub.com/progalgs/read#leanpub-auto-data-structur...
Or a book like Barski’s Land of Lisp
https://www.amazon.com/Land-Lisp-Learn-Program-Game/dp/15932...
I would start with Common Lisp.