The answer depends on what you want out of a bowling magazine.
As others have said, Bowler's Journal International (BJI) is a good magazine if you want to read about the business of bowling and get bowling news, including results from the tours. It also includes a Q&A column by former touring player Mike McGrath and a ball review section by Joe Cerar.
OTOH, Bowling This Month (BTM) contains information aimed at bowlers who want to take their games to a higher level. Articles are written by well-known coaches, and cover topics such as mechanics (physical game), equipment, lane play, and mental game. There is a section that contains reviews of all the newly released balls, along with a comparison chart for all the balls released within the past six months. BTW, the Feb. 2006 issue is also 62 pages.
Reading BTM cover to cover on a regular basis can pay huge dividends - something you really can't put a price on. It is easily worth the $34 for a year's subscription (or $55 for two years).
For anyone who goes to Nationals, BTM runs a side tournament that runs while the USBC is running. One entry to the BTM tournament includes a one year subscription to the magazine. BTW, BJI used to include a year's subscription to their magazine with an entry to their tournament, which also runs concurrently with the USBC. I assume that is still the case, although I haven't played in the BJI tournament.
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RW (THB)