Yes, a good deal at 25% off.
Caveat: I bought one, I think the ARRL antenna book back in 2014, and it was far too detailed for
my little brain. I mean "compensating for end wire capacitance" - c'mon give me a break.
They can get too deep into the weeds; far more than the average (?) guy can digest.
All I want to know is the dimensions and coax vs. ladder lead.
(My 2-cents worth, anyway. OK, waiting to be flamed, ha, ha!)