Jeffrey Glassberg

• Butterflies through binoculars
• A Swift guide to the butterflies of Mexico and Central America
• A Swift Guide to Butterflies of Mexico and Central America
• A Swift Guide to Butterflies of North America
• Butterflies of North America
• Butterflies of North America
• Caterpillars in the Field and Garden
• Caterpillars in the Field and Garden
• Enjoying butterflies more
• The Big Little Book of Butterflies
• The Big Little Book of Butterflies
• A Swift guide to the butterflies of North America