It remains a field guide organized by symptoms, clustered in categories that can expand without limit.

WSJ: DSM-5: A Manual Run Amok

There was software that could take a picture of a cat and make it look like it is talking (Reallusion Animation Suite), accounting applications (Kashoo) and a field guide to North America birds (iBird).

FORBES: Thoughts on Three Potentially Disruptive Companies at MacWorld

The editors look at the top 10 innovators of the decade and in the process provide a handy field guide to some of the changes in the financial markets.

FORBES: The Decade's Pioneers Who Innovated in Finance

At 544 pages and 42 ounces, Sibley's tome is not a handy field guide, but, boy, is it comprehensive: 6, 644 illustrations (compared with Kaufman's 2, 000) of 810 species(Kaufman has 750).

FORBES: Peterson's Progeny

But if history is any guide, foreign policy as a political-science field experiment or what-me-worryism will yield some ugly results.

WSJ: Eliot Cohen: American Withdrawal and World Disorder

Perhaps no profession has taken the implications of the quarterback problem more seriously than the financial-advice field, and the experience of financial advisers is a useful guide to what could happen in teaching as well.

NEWYORKER: Most Likely to Succeed

Universities minister David Willetts said the guide was a "welcome step towards levelling the playing field for prospective students".

BBC: Top universities warn against 'soft subjects'

At one point during the tour, our tour guide stopped his Jeep in the middle of a grassy field and pointed to his left at a group of what appeared to be about 25 to 30 large, white birds who were feeding in a marsh.

FORBES: The Radical Abuse of the ESA Threatens the US Economy

Once we are in our kayaks, our guide, Timothy Duffy, leads us into a 10-mile-deep ice field dotted with blue-white bergs that vary in size from refrigerator to SUV to two-story house.

FORBES: Magazine Article