The Twenty-One Balloons relates the incredible adventures of Professor William Waterman Sherman, who in 1883 set off in a balloon across the Pacific, survived the volcanic eruption of Krakatoa, and was picked up in the Atlantic. The Twenty-One Balloons Teacher Guide contains all answers to The Twenty-One Balloons Student Guide as well as all quizzes and tests.
The Twenty-One Balloons Teacher Guide features teaching guidelines, notes on reading activities, lessons for the 10 chapters of The Twenty-One Balloons including answers to The Twenty-One Balloons Student Guide, all tests and quizzes, and the key to all assessments.