Photographers tend to crop pictures tightly for clean composition, which can give deceiving impressions about plants. Most of the photos in this book do a decent job of depicting the plants as they appear in the landscape, which is what I like to see.
Perhaps vibrant blooms are a bit much for my mid-winter color starved eyes - two of my favorite featured combinations are all foliage.
A blue-green Hosta (Hosta 'Krossa Regal'), White-variegated Japanese Forest Grass (Hakonechloa macra 'Alboaurea'), Feather-frond Soft Shield Fern (Polystichum setiferum Plumoso-divisilobum Group) and Black Mondo Grass (Ophiopogon planiscapus 'Nigrescens') is an immediately appealing group. This stunning color and textural combination would work well in my shady yard, so I'm hoping to give it a try.
Althouth I don't have photos of the exact varieties, this Fountain Grass and Red Sedge paired with variegated Yucca (which has similar coloring to 'Cosmopolitan' Maidenhair Grass) gives you an idea of the interplay of texture and color in the effective grass pairing described above.
Several of the combinations were similar to ones I've been considering, which served to support my plans.
If you're looking for photos to jump start your creative juices, Perennial Companions: 100 Dazzling Plant Combinations for Every Season offers a nice selection.