For readers that like to swim deeper, we have collected titles for you to dip into that take you on, near, or in the water, so pack your bathing suit, grab your beach towel, and immerse yourself in these refreshing reads while the sand is still between your toes. Perennials by Mandy Berman Rachel Rivkin and Fiona Larkin used to treasure their summers together as campers at Camp Marigold. Now, reunited as counselors after their first year of college, their relationship is more complicated. Rebellious Rachel, a street-smart city kid raised by a single mother, has been losing patience with her best friend’s…