Premise: His guides with their maps and plans provide the classic companion to the high ground of the Lakes and his larger books make beautiful souvenirs.
Hypothesis: Help in navigating the higher areas of the Lakes can be found by consulting the maps of his guides.
Is the hypothesis entailed by the premise?

(i). yes.
(ii). it is not possible to tell.
(iii). no. And the answer is:
(i).