About Karen Gillmore Karen Gillmore has been an artist since she could hold crayons. In addition to being a children’s book illustrator—most notably of the Sam and Crystal series—she also draws and writes comics and illustrates graphic novels. Books by Karen Gillmore Explore the Eelgrass Meadow with Sam and Crystal by (author) Gloria Snively illustrated by Karen Gillmore High Tide, Low Tide A Shoreline Activity Book by (author) Gloria Snively illustrated by Karen Gillmore Explore the Rocky Shore with Sam and Crystal by (author) Gloria Snively illustrated by Karen Gillmore Explore the Wild Coast with Sam and Crystal by (author) Gloria Snively illustrated by Karen Gillmore