The Secret Zoo is by Brian Chick. The book has 320 pages. It is the first book in a series of five books.
If I Ran the Zoo has 39 pages.
there are 61 pages
Cybele's Secret has 410 pages.
The Secret of Sinharat has 95 pages.
The Secret River has 334 pages.
The Manticore's Secret has 536 pages.
Secret Windows has 433 pages.
The Secret Panel has 192 pages.
The Secret People has 256 pages.
The Dutchman's Secret has 24 pages.
The Secret Hour has 297 pages.
The Secret Texts has 464 pages.