SAN FRANCISCO (KGO) --Houghton Mifflin Harcourt's Curious World Tour, an immersive, playful learning experience for kids and families is in San Francisco as part of a nationwide tour.
The bus is a vehicle that unfolds to create a mobile learning environment for children. Mifflin will also be donating thousands of books to the city of San Francisco.
The event will be held through Wednesday at the Children's Creativity Museum at 221 Fourth Street in San Francisco.
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