Each of these images brought such a nostalgia in me. I could smell the aged pages as I walked up and down the aisles. Feeling the sand fill the crevices of my shorts. The soft grass under my head, the sun off and on, playing hide and seek behind my fantastical friends. I was right there with you. The last two lines are what stick with me however, wondering about your childhood and why these happy times are so tempered.
Aw, thank you for taking the time to read and comment on this one... I am so happy that it evoked nostalgic memories for you :) Also, those aisles... I miss the library!
I think that you'll find part of that answer in my spoken poem...