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public/sources.html

@@ -253,7 +253,7 @@ <h3>
 				humidity, we found it an excellent source of plant species data.
 			</p>
 
-			<h3>Seymour, J. (2008). <em>The New Self-Sufficient Gardener</em></h3>
+			<h3><a href="https://www.amazon.com/New-Self-Sufficient-Gardnr-Illustrated-Preserving/dp/0756628989" target="_blank">The New Self-Sufficient Gardener</a> by John Seymour</h3>
 			<p>
 				In <em>The New Self-Sufficient Gardener</em>, John Seymour provides a
 				comprehensive guide for individuals interested in growing their own
@@ -265,8 +265,7 @@ <h3>Seymour, J. (2008). <em>The New Self-Sufficient Gardener</em></h3>
 			</p>
 
 			<h3>
-				Ableman, M. (2020).
-				<em>Farm the City: A Toolkit for Setting Up a Successful Urban Farm</em>
+				<a href="https://www.amazon.com/Farm-City-Toolkit-Setting-Successful/dp/086571939X" target="_blank">Farm the City: A Toolkit for Setting Up a Successful Urban Farm</a> by Michael Ableman
 			</h3>
 			<p>
 				<em>Farm the City</em> by Michael Ableman offers practical guidance for
@@ -278,7 +277,7 @@ <h3>
 				toolkit.
 			</p>
 
-			<h3>Pratt, M. M. (2005). <em>Practical Science for Gardeners</em></h3>
+			<h3><a href="https://www.amazon.com/Practical-Science-Gardeners-Mary-Pratt/dp/1604693312" target="_blank">Practical Science for Gardeners</a> by Mary M. Pratt</h3>
 			<p>
 				<em>Practical Science for Gardeners</em> by M.M. Pratt presents
 				scientific principles applicable to gardening practices. The book covers