Logs, stones and the like provide an interesting interface between the damp depths of the soil and the drier open ground surface, offering refuges for a fascinating array of animals. The communities of organisms that live beneath them are little noticed and even less studied, yet the potential for ecological work here is great. Some of the animals are relatively large and frequently not difficult to find. They exhibit a wide range of lifestyles – from slow slugs or snails to very fast centipedes, from generalist to specialist feeders and from herbivores to carnivores.

With chapters covering the cryptosphere environment, species groups, identification, guidelines and ideas for further research, this much-expanded and updated new edition also includes extensive, easy-to-use, comprehensively illustrated keys. Ground-surface debris can be found almost anywhere, often presenting highly accessible microhabitats for study and bringing immediate rewards to the curious: here is the ideal tool to unlock these worlds.

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An excellent and very useful book for naturalists, ecologists, ecological surveyors, or indeed anyone interested in knowing what lives in the hidden places of their garden. It caters well for the growing interest in and use of bug hotels and will help anyone establishing them to understand more about the animal communities they support.

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A great addition to the library of any wildlife enthusiast who may want to observe the world of the invertebrates around them.

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If you are keen or just interested in turning over logs and stones (which most naturalists seem to enjoy or should do) then this is the book for you and its definitely worth upgrading to the new edition. Easily recommended.