Choosing among birding field guides & calls usually comes down to whether you want a defined reference identity or a varied shelf of bird books. The Easton Press Roger Tory Peterson set is clearly shaped around one named guide tradition, while Ornithology Birds Books Lot (7) Bird Watching Species Guides & Books (USED is a mixed assortment. If your priority is targeted bird identification and a collector's-edition format, the Easton set is the clearer match; if your priority is spending less for broad subject variety, the mixed lot is more compelling.
Quick verdict
Choose Easton Press Roger Tory Peterson Field Guides for a focused bird watching reference with named authorship, specific ornithology subjects, and a defined presentation. Choose Ornithology Birds Books Lot (7) when mixed topics and mixed authors suit a more exploratory reading shelf. The absolute listed-price gap is $53.29, making specificity and presentation the central tradeoff rather than book count.
At a glance
| Choice | Listed price | Useful distinction | Main trade-off |
|---|---|---|---|
| Easton Press Roger Tory Peterson set | USD 83.88 | Named author and defined field-guide subjects | Higher listed price and a more focused reference scope |
| Ornithology Birds Books lot | USD 30.59 | Mixed authors, publishers, and bird-related topics | Less defined subject emphasis |
Where each one wins
Easton Press wins on specificity. Roger Tory Peterson authorship, the 50th Anniversary wording, and leather binding give it a clearly defined identity. Its described subjects include Eastern Birds' Nests, Western Birds' Nests, and Advanced Birding, which is useful for shoppers seeking a bird identification field guide with nest references and difficult-identification coverage.
Ornithology Birds Books Lot wins when the $53.29 gap is decisive and you want subject variety. Its description presents diverse bird-watching reading across mixed authors and publishers, rather than one named guide lineage. The condition is identified as Very Good, giving the assortment a clear listed condition while preserving its mixed-lot character.
Product notes
Easton Press Roger Tory Peterson Field Guides

The strongest reason to choose this set is how specifically it frames bird reference work. It names Roger Tory Peterson and describes a collection centered on Birds and Ornithology, with Eastern Birds' Nests, Western Birds' Nests, and Advanced Birding among the included titles. Those subjects create concrete paths into nests, eggs, habitats, and difficult North American identification problems. The illustrated format is another useful fit for shoppers who want a reference book with visual material. The limitation is focus: the named subjects lean toward ornithology references and advanced identification, so the set is less flexible than a mixed assortment for someone seeking a wide range of unrelated bird-reading topics. Its USD 83.88 price is the higher figure in this comparison.
Ornithology Birds Books Lot (7)

The case for this lot is straightforward: it brings together bird-watching books and species guides across diverse topics, with mixed authors and publishers. That makes it a reasonable fit for someone building a broad bird watching reference shelf without needing one consistent author or edition. The listed condition is Very Good, adding a clear condition description to the assortment. Its limitation is the mixed-lot format itself. The collection's identity centers on varied books rather than a single editorial approach, so a shopper seeking a particular bird identification field guide may find the subject emphasis less precise than the Easton set's named nest and Advanced Birding references. The USD 30.59 price is its clearest concrete advantage, but the collection has a less uniform identity.
Final choice by use case
- For a defined bird identification field guide set: Choose Easton Press Roger Tory Peterson Field Guides. The named Peterson authorship and specific nest and identification subjects make its purpose easier to match to focused reference work.
- For broad bird-watching reading at the lower listed price: Choose Ornithology Birds Books Lot (7). Its diverse topics, mixed authors, and mixed publishers fit an exploratory shelf, while the USD 30.59 price keeps the decision centered on the lower-cost route.
- For presentation: Choose the Easton Press set for its leather binding and Collector's Edition designation.
- For the clearest overall match: Pick Easton Press when you already want Peterson's named field-guide tradition; pick the Ornithology lot when variety matters more than a uniform collection identity.