, titled "Children's Sleep" | Ayer Co Pub, June 1, 1933, cover price $18.50 | also contains Children''s Sleep
| Riverstream Pub, January 1, 2015, cover price $8.95 | About this edition:
Students will be fascinated by stories of transportation technology and innovation around the world: This book offers the family tree of inventions that have shaped history and society with twelve spreads that profile the most influential technology; introducing major players, turning points, and impacts on society today.
| Amicus, January 1, 2015, cover price $28.50 | About this edition:
The 12 Biggest Breakthroughs in Transportation Technology introduces 12 of the most influential moments in the development of transportation technology.