Cover image not available
"An index of the 1841 Census records of Somerset for part of the registration sub-districts HO107/930 (Middlezoy) HO107/953 (North Petherton) HO107/954 & 964 (Polden Hill)"--Page i.
"This volume contains indexes of the records for the following parishes: Ashcott, Greinton, Lyng, Middlezoy, Moorlinch, North Petherton including West Newton Hamlet, North Newton Hamlet, Huntworth Hamlet, St Michael Church, Othery, Shapwick, Stawell, Sutton Mallet, Westonzoyland"--Back cover.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
Indexes of the 1841 census records of Somerset. Volume 26, North Petherton & Ashcott by Judy Hodges. ISBN 1903960673. Published by Somerset & Dorset Family History Society in 2005. Publication and catalogue information, links to buy online and reader comments.