Monarch Butterflies Noah Adams talks with Sue Halpern, author of Four Wings and a Prayer: Caught in the Mystery of the Monarch Butterfly, about trip, following the migration of the monarchs from Canada to Mexico. (5:30) The book is published by Pantheon, May 2001.

Monarch Butterflies

Only Available in Archive Formats.

Real Media

Monarch Butterflies

Monarch Butterflies

Only Available in Archive Formats.

Real Media

June 21, 200112:00 AM ET

Heard on All Things Considered

Noah Adams talks with Sue Halpern, author of Four Wings and a Prayer: Caught in the Mystery of the Monarch Butterfly, about trip, following the migration of the monarchs from Canada to Mexico. (5:30) The book is published by Pantheon, May 2001.