A Naturalist in Costa Rica picks up Alexander F. Skutch's story in 1935, the year his memoir The Imperative Call ends. In it he recoreds his life, work, observations, and reflections during thirty-five years in the southeastern Pacific section of Costa Rica. A Naturalist in Costa Rica picks up Alexander F. Skutch's story in 1935, the year his memoir The Imperative Call ends. In it he records his life, work, observations, and reflections during thirty-five years in the southern Pacific section of Costa Rica. Used Book in Good Condition