Reg and Keely are twins. Keely loves painting and bugs. Reg loves rocks. Keely sings crazy rhymes. Reg plays softball. Shawna and Burt are their friends. In this series of linked stories, the children’s deep involvement with their daily activities never falters, from a bug walk, through incidents flying a kite and dividing labor at clean up time, to a chance to swim in the river on a hot summer's day.