Your Best Friend, Kate by Pat Brisson illustrated by Rick Brown*

For the summer Kate is traveling with her parents and brother to eleven eastern states and Washington D.C..  In every state Kate sends her friend Lucy a letter about her adventures there.  Drawn around each letter is the state's flower, bird, and other famous attractions.
Great for when teaching about the states/capitals and friendly letter format.
Other books in this series-http://www.amazon.com/Kate-Heads-West-Pat-Brisson/dp/0027143457
http://www.amazon.com/Kate-Coast-Brisson/dp/0027143414/ref=pd_sim_b_2?ie=UTF8&refRID=0724XCZDA0JZCZEN2766