[DNSB]

Your log seems to indicate an SSL certificate error. I'm also getting this on my Windows 11 machine though I am not getting the second SSL certificate error.

Spoiler:

Running identify query with parameters: 
{'title': 'Five by Five', 'authors': ['B. V. Larson', 'Aaron Allston', 'Kevin J Anderson', 'Loren Coleman', 'Michael A Stackpole'], 'identifiers': {'isbn': '9781614750499', 'amazon_ca': 'B0B5WP49BC'}, 'timeout': 30} 
Using plugins: Baen (1, 1, 0), Kobo Metadata (1, 12, 0), Smashwords Metadata (1, 0, 2), Amazon.com (1, 3, 13) 
The log from individual plugins is below 

****************************** Baen (1, 1, 0) ****************************** 
Found 0 results 
Downloading from Baen took 0.7126452922821045 
Querying: https://www.baen.com/allbooks?q=Five+by+Five
Failed to make identify query: 'https://www.baen.com/allbooks?q=Five+by+Five'
Traceback (most recent call last):
  File "mechanize\_urllib2_fork.py", line 1236, in do_open
  File "http\client.py", line 1303, in request
  File "http\client.py", line 1349, in _send_request
  File "http\client.py", line 1298, in endheaders
  File "http\client.py", line 1058, in _send_output
  File "http\client.py", line 996, in send
  File "http\client.py", line 1475, in connect
  File "ssl.py", line 517, in wrap_socket
  File "ssl.py", line 1104, in _create
  File "ssl.py", line 1382, in do_handshake
ssl.SSLCertVerificationError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1016)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "calibre_plugins.baen.__init__", line 107, in identify
  File "mechanize\_mechanize.py", line 241, in open_novisit
  File "mechanize\_mechanize.py", line 287, in _mech_open
  File "mechanize\_opener.py", line 193, in open
  File "mechanize\_urllib2_fork.py", line 425, in _open
  File "mechanize\_urllib2_fork.py", line 414, in _call_chain
  File "d:\calibre\calibre-master\src\calibre\utils\browser.py", line 29, in https_open
  File "mechanize\_urllib2_fork.py", line 1240, in do_open
urllib.error.URLError:  

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