There were just so many people a little yellow school bus could hold.
She wanted to go to school on the same yellow bus as Cook's daughter.
"But you will probably ride in a big yellow bus with other children going to the same school," the book says.
Every morning 440,000 yellow buses carry 24 million American students to school.
When the yellow school bus arrived, they got on, children and mothers.
But they will be the first ones to show up with perhaps a whole fleet of yellow school buses.
The big yellow school bus was parked at the edge.
"You can lose a yellow school bus, but not this one."
Some yellow school buses are provided for students who live further than 20 kilometers away.
And he said: 'You know those little old ladies in the yellow school buses who come to see me?