In the 1978 edition there are 148 pages. If I can locate my early edition, I'll update this - unless someone else already did!
Kipling Sahib has 448 pages.
Rikki-Tikki-Tavi Study Guide consists of approx. 38 pages of summaries and analysis on Rikki-Tikki-Tavi by Rudyard Kipling
The Early Fears is by Robert Bloch. The hardcover edition is 480 pages. It is a collection of 39 short stories combined from two other books plus three additional stories.
"The Vintage Bradbury" is a collection of Ray Bradbury's short stories, each edition may vary in length depending on the stories included. It typically ranges from 350 to 400 pages.
The number of pages in each book of "The Land of Stories" series varies depending on the edition, font size, and illustrations. On average, each book in the series ranges from around 300 to 500 pages.
"The King in Yellow" by Robert W. Chambers is a collection of short stories, typically around 200 pages long, depending on the edition.
"Muder in the Mews" by Agatha Christie is a novella consisting of four short stories, so the number of pages can vary depending on the edition and formatting. However, a typical edition ranges from 200-300 pages.
The Thama Stories has 136 pages.
The Lost Stories has 580 pages.
Ealdwood Stories has 464 pages.
Grandfather Stories has 312 pages.
Deathbird Stories has 334 pages.