kidslike.info reviews the Gaddis book here
http://www.kidslike.info/alice_book_...in_a_classroom

you can see it compared with other Alice, and books for Scratch, Java, and Python here
http://www.kidslike.info/recommended...ds_programming

for 11th graders, the Herbert book might be a good choice because of the step by step instructions
http://www.kidslike.info/alice_commu..._25_by_herbert