DESC: Blending the steadfast observations of a scientist with the creativity of an artist and writer, a definitive field guide, featuring the renowned Peterson identification System, collects more than sixty years of observations, paintings, and writings in aBlending the steadfast observations of a scientist with the creativity of an artist and writer, a definitive field guide, featuring the renowned Peterson Identification System, collects more than sixty years of observations, paintings, and writings in a newly updated version that details the birds of Eastern and Central North America and pays tribute to the late author. Simultaneous. newly updated version that details the birds of Eastern and Central North America and pays tribute to the late author. Simultaneous.