Equipment Visual information is crucial to this book to be useful for pedagogical purpose. Therefore, for a group of students, it is recommended that the teacher uses a relatively large screen or projector to show the illustrations. For classrooms with individual tablets: This book is available in PDF format, which can be downloaded to each student's own screen. For classrooms with a big screen or a projector: This book can be shown either in PDF format or online website at http://specialprojet.ozfont.com the online version support playing the background sound on the same page. For classrooms without multimedia equipment: Teachers can print out the illustrated book with the printable version of the PDF file at: https://specialproject.ozfont.com