从看见的那天就爱不释手的小书。。。Double的概念竟然可以如此呈现给孩子，I 服了Y，学乐！先来看看初次相识此书的子桐：

This is a riddle about Miss Milly.Can you guess why she is so silly?

She likes green. She does not like red.

She likes butter. She does not like bread.

She likes seeds. She does not like flowers.

She likes umbrellas. She does not like showers.

She likes alligators. She does not like mice.

She likes snowballs. She does not like ice.

She likes needles. She does not like to sew.

She likes grass. She does not like to mow.

She likes green peppers. She does not like pickles.

She likes pennies. She does not like nickles.

She likes cabbage. She does not like pie .

Miss Milly is so silly? Can you tell why?

I only like things with double letters!

         (后记：子桐看过之后第一次也是彻底记住了double letter的概念）