Buddy being silly

Buddy is in his room for disciplinary reasons.  I am sitting out here at the computer when I hear this mechanical whirring noise.  I look over and see his motorized lego truck stuck against the rocking chair with a paper sticking out of it.  I go to investigate.  The paper is a note which reads (spelling is his)  "Please send me a diffrint book to read.  Your old pal E.."