what's the price for Wiley's publication? | Which of Wiley's publications do you want to know the price for? | the one of june 2006
SELECT T2.Price FROM book AS T1 JOIN publication AS T2 ON T1.Book_ID   =   T2.Book_ID WHERE T2.Publisher  =  "Wiley" and T2.Publication_Date  =  "June 2006"
price for Wiley's publication refers to T2.Price; publications by Wiley refers to T2.Publisher = 'Wiley'; specific publication date (June 2006) refers to T2.Publication_Date = 'June 2006'; joining book and publication tables refers to JOIN operation on T1.Book_ID = T2.Book_ID;