i have done the function for borrowers but having some trouble with the borrowed and numBorrowed function. I have listed my code below with the borrowed function not completed and numBorrowed also not completed.Can you plz try to fill in the borrowed and numBorrowed functions if you can THANKS. type Database = [(Person,Book)] type Person = String type Book = String exampleBase :: Database exampleBase = [("Alice","Tintin"),("Anna","little Women"),("Alice","Asterix"),("Rory","Tintin")] borrowers :: Database -> Book -> [Person] borrowers db findBook = [person|(person,bks)<-db,bks==findBook] borrowed :: Database -> Book -> Bool borrowed db bookName numBorrowed :: Database -> Person -> Int reference from the craft of func programming second edition book page 84 and 87 _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp