The magic tree house is back with a message from Morgan le Fay telling Jack and Annie to seek out "The Gray Ghost" and listen to her story, and immediately they are whisked away to Nepal where they meet Tenzin, a climber who has recently lost his family, and who takes them up the mountain to meet a snow leopard and renew himself.

"Jack and Annie are whisked away to Mongolia to meet the near-extinct little horses and their caretakers, but can they help protect the last of the horses from predators?"--

"The magic tree house whisks Jack and Annie back in time to meet famed Roman emperor Marcus Aurelius!"--

"When the magic tree house whisks Jack and Annie back in time, they land in the tallest tree in Yosemite, California where they join nature conservationist, John Muir, and US President Teddy Roosevelt on a historic trip through the woods"--

Six truck friends travel to the airport to build a new terminal, expanding the airport for both planes and travelers.

In rhyming text, parents express their love for their multicultural babies.

Told in rhyming text, seven new road-building machines set out on a job--building, rolling, paving, and painting a brand new road.

Told in rhyme, the big construction trucks are skeptical when Kid McGear the skid-steer shows up on the big construction site, after all a skid-steer is rather small--but when the big trucks run into trouble on a steep incline, Kid McGear proves that sometimes a small, all-purpose truck may be just what is needed to save the day.

"Jack and Annie use the magic tree house to travel back in time to 1947 Brooklyn, New York, where they pretend to be batboys at Jackie Robinson's first game with the Brooklyn Dodgers against the Boston Braves"--