Sibley's Common Trees of Trails & Forests of the Mid-Atlantic & Midwest (Nature FoldingGuide) books about leaves Susan Jeffers is the illustrator

Susan Jeffers is the illustrator of such distinguished picture books as Three Jovial Huntsmen

In other words

Just take it bird by bird

even higher primates

Sibley's Common Trees of Trails & Forests of the Mid-Atlantic & Midwest (Nature FoldingGuide) books about leaves Susan Jeffers is the illustratorThese laminated, fold up identification guides FoldingGuides speak for themselves. Written and illustrated by local experts who know their stuff, waterproof and indestructible, they're the perfect choice for beginners and intermediates who want to know what they'll encounter in their particular locale. Written and illustrated by David Allen Sibley, Americas most widely respected bird and now tree illustrator. See http: www. sibleyguides. com for more