Available in one audio package, two time-traveling Magic Tree House adventures, Lions at Lunchtime and Polar Bears Past Bedtime find Jack and Annie whisked away to the vast plains of Africa and the frozen Arctic. Read by the author. Two time-traveling adventures find Jack and Annie whisked away to the vast plains of Africa, and to the frozen Arctic. Copyright (C) Muze Inc. 2005. For personal use only. All rights reserved.