Thanhha Lai 
Butterfly Yellow [PDF ebook] 

Hang doesn’t believe in adventures. There are steps that must be done, and once done, another step awaits. The last step, after six years of minute planning by her grandmother, is a bus ride away. In A-ma-ri-lo her baby brother has to be waiting. In her imaginings, he is always waiting.National Book Award and Newbery Honor–winning author Thanhha Lai makes her young adult debut in this deeply moving story of courage, redemption, friendship, family and new beginnings.