Dragons in the Mailbox 3: A Long Visit is a chapter book that engages even the most challenged readers. Dragons in the Mailbox 3: A Long Visit and Dragons in the Mailbox 3: A Long Visit: Reading Workbook Companion are great tools for the classroom, homeschool, or parent/child setting. The Reading Workbook Companion can be used in conjunction with the Dragons in the Mailbox 3: A Long Visit chapter book. It contains vocabulary words and comprehension questions that go with the book. The Reading Workbook Companion breaks the chapter book down into small sections. the vocabulary words and the comprehension questions are listed in the order that they appear in the book.