Lorraine Johnson lives in Toronto, ON and has been researching and writing about environmental issues for three decades. She is a community activist and advocate for protecting, supporting and growing the urban forest. Johnson is the author or editor of fourteen books, including 100 Easy-to-Grow Native Plants for Canadian Gardens (Douglas & McIntyre, 2017). Sheila Colla is an assistant professor in the Faculty of Environmental Studies at York University in Toronto, ON. She works closely with environmental non-governmental organizations (ENGOs) and government agencies to implement the best available science in policy and land management. She co-authored The Bumblebees of North America: An Identification Guide (Princeton University Press, 2014) and helps run the citizen science program Bumble Bee Watch. Ann Sanderson has an undergraduate degree in zoology and biology from the University of Toronto and attended the Science Illustration program at the University of California in Santa Cruz. She is now a freelance illustrator in Toronto, ON where she enjoys gardening and visually documenting the plants and wildlife of the city. Her work can be found at annsciart.com.