About Alex Boersma Alex Boersma is a scientific illustrator and designer based in Chicago, Illinois. Books by Alex Boersma The Secret Life of a Sea Turtle by (author) Maddalena Bearzi illustrated by Alex Boersma Change Is in the Air Carbon, Climate, Earth, and Us by (author) Debbie Levy illustrated by Alex Boersma The Whale Who Swam Through Time A Two-Hundred-Year Journey in the Arctic illustrated by Alex Boersma by (author) Nick Pyenson CRISPR A Powerful Way to Change DNA by (author) Yolanda Ridge illustrated by Alex Boersma