Xreading Extensive reading Mobile-learning Despite the well recognized benefits of student engagement with extensive reading (ER) (see Krashen, 2009), many teachers struggle with its implementation. Key issues include the cost of establishing and maintaining a graded reader library (Bamford and Day, 1998; Hinkelman, 2013), keeping students accountable for their reading (Campbell & Weatherford, 2013; Robb & Kano, 2013), and most importantly, finding the time to oversee the ER component, especially if it is extensive reading done outside..