I'm glad that your needs have been met. In order to make the answer
"official," I must post the responsive information here in the answer
box. So here are the full names of the authors of "The Logic of
Delegation: Congressional Parties and the Appropriations Process,"
along with a link to more information about the book:
D. Roderick Kiewiet
Mathew D. McCubbins
University of Chicago Press
I performed a Google search with the two rather unusual surnames as search terms:
If you need any further information about either of the authors, the
results of that search, available at the link directly above, might be
of further use to you.
If anything remains unclear, or if you have any questions, please ask
for clarification before rating the answser.