Hi Benabed, Thank You Very Much For Your Question! You Can Feel Free To Use The Following Two Materials To Prepare Before The Certification Exam Of Your Agile Scrum Leadership (executive) Program. The Scrum Framework, 3rd Edition: You Can Request It From The Link Here: The Scrum Framework Leadership Study Book: You Can Request It From The Link Here: Leadership Training Book I Hope That We Managed To Have Served You With This Answer And All The Best On Your Scrum Learning And Leadership Journey. Thank You! Yeliz Obergfell