Wendy Pfeffer is the author of several titles in the Let's-Read-and-Find-Out Science series, including From Tadpole to Frog , What's It Like to Be a Fish? , From Seed to Pumpkin , Sounds All Around , Wiggling Worms at Work , Dolphin Talk , and Life in a Coral Reef . She lives in Pennington, New Jersey.
Elizabeth Aubrey is Head of Musicology at The University of Iowa and author of many articles on the troubadours and the trouv�res -- including articles in the Revised New Grove Dictionary of Music and Musicians and in A Performer's Guide to Medieval Music (also from Indiana University Press). She sings and plays medieval and Renaissance music in concert.