My scene in Dragonwings

Page 166-168 Chapter 7
Characters: Windrider, Moon Shadow, Black Dog,Miss Whitlaw
Setting: Windrider and Moon Shadow's home
Beginning:Windrider want to make an aeroplane, but he need some information, Moon Shadow helps his father to ask Miss Whitlaw to write a letter to Wright Brother.
Ending: Wright Brother send some information that teach Windrider how to make an aeroplane, Windrider successfully makes a aeroplane.
Problem: Windrider wants to get information to make the aeroplane,but he cant find any information.

Substitute:What do you think would have happened if Tony went to ask Miss Whitlaw to write the letter?
If Tony went to ask Miss Whitlaw to write the letter. I think Tony would lost the letter.
Modify:What would have happened if Windrider become a mouse?
Windrider can't lift the tool to make the aeroplane.