Beach read or serious read?

Do those lazy hazy days of summer demand beach reads or serious reads? Warm breezes blow. The lawn needs mowing. The weeds are scattering seeds (most especially yellow weeds of the dandelion persuasion). So what will you read?

For me, a beach read in warm weather just might send me to sleep. Eyes heavy when the sun's too bright and tired when the sun goes in, and waiting tasks that demand a level of attention I'm not willing to give... and words that need to lead me to deeper thoughts if they'...