how to obtain MX records for a domain

[frank at nfurter.spam]

On Fri, 10 Jun 2005 21:09:07 -0400, Barry Margolin
<barmar at alum.mit.edu> wrote:

>In article <d8d963$2jl8$1 at sf1.isc.org>, frank at nfurter.spam wrote:
>
>> I want to obtain MX records for a domain, just as host.c does it. Is
>> there a less sophisticated example using dns_resolver functions,
>> because host.c / dighost.c apparently are not to be used as an
>> example, and they are more sophisticated than I require. Thanks.
>
>I think the chapter on using the resolver library in the DNS & BIND book 
>has an example of doing precisely this.

please could you give me the title and author of the DNS & BIND book.
thank you.