March 4th, 2026: The Cat Is Watching (Theodore: The Neighbour's Cat, #6)
The Cat That Knew Too Much (Theodore: The Neighbour's Cat, #5) was the most recently released book by J.S. Ellis, on March 25th, 2025.
J.S. Ellis Stats: The highest rated book by J.S. Ellis on Book Notification is The Neighbour’s Cat, the first novel in Theodore: The Neighbour's Cat series. The second-highest rated book is The Secret They Kept (The Secret They Kept #1).
The most read book by J.S. Ellis on Book Notification is The Neighbour’s Cat, the first novel in Theodore: The Neighbour's Cat series. The second most read book is Purr-fect Secrets (Theodore: The Neighbour's Cat #3).
Below is a complete list of J.S. Ellis books in publication and chronological order, broken down by series. The most popular series by J.S. Ellis is Theodore: The Neighbour's Cat Series.
J.S. Ellis is probably best known for their Standalone Novels. There are currently 6 novels available. The first standalone was released in 2019 with the novel In Her Words. The most recently released novel was Dark Dangerous Truth which was released in 2023. There are no upcoming standalone novels by J.S. at this time.
J.S. Ellis has also written Theodore: The Neighbour's Cat series which has 6 books including The Neighbour’s Cat and The Cat Saw Who Did It?.
The most common authors followed by users who also follow J.S. Ellis are:
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Home » Authors » J.S. Ellis List of Books
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