"plain" needs to be "plane".
"threw" needs to be "through".
"begin" needs to be "began".
"as" needs to be "As".
"walk" needs to be "walked". There needs to be a , after "walked".
"write" needs to be "right".
"their" needs to be "there".
"was" needs to be "Was".
"hear" needs to be "heard". There needs to be a ? after "heard".
"surely" needs to be "Surely".
There needs to be a . after "not".
"cooksville" needs to be "Cooksville".
There needs to be a , after "Nevertheless".
"cood" needs to be "could".
Also, there might need to be "sound" after "rustling".
<em>That's all I could find, but there might be more...</em>