I Know Why the Caged Bird Sings

Simile:

"Screams burst out around the room like 4th of July fireworks"

It took forever before he lay down flat, and then we covered him with potatoes and onions, layer upon layer, like a casserole"

"...lavender taffeta, and each time I breathed it rustled, and now that I was sucking in air to breather out shame it sounded like crepe paper on the back of hearses"

Onomatopoeia

"Woo-wee"

Metaphor:

"The giggles that hung in the air were melting clouds that were waiting to rain on me."