The stories of Adam, Nuh, Ibrahim, Musa and ‘Eesa (‘alay-himus-salaam) for the 5-6 age range are available as a multi-pack set of five books. Please see the description of each individual book for further details.
Here is link for downloading these islamic books.
http://www.learningroots.com/new/index.php/shop/story-books
Happy Learning :-)