Model wearing a heathered purple unisex crewneck T-shirt featuring Laurie Conley’s Inspector Whiskers detective cat holding a magnifying glass beside the phrase “The Librarian Did It!” with “Mysteries Await at Your Library” printed underneath. Short-sleeved shirt shown with blue jeans against a white background.

Close-up of Laurie Conley’s “The Librarian Did It!” design on a royal blue background, featuring Inspector Whiskers, a black detective cat wearing a yellow deerstalker hat and scarf, holding a magnifying glass over one bright yellow eye. Large decorative white lettering reads “The Librarian Did It!” with “Mysteries Await at Your Library” printed below.

Model wearing a royal blue women's fitted crewneck T-shirt featuring Laurie Conley’s Inspector Whiskers detective cat holding a magnifying glass beside the phrase “The Librarian Did It!” with “Mysteries Await at Your Library” printed underneath. Short-sleeved shirt shown with light blue jeans against a white background.

Woman modeling a heather purple unisex crewneck T-shirt featuring Laurie Conley’s “The Librarian Did It!” design with Inspector Whiskers, a black detective cat wearing a yellow deerstalker hat and holding a magnifying glass. The “Mysteries Await at Your Library” slogan appears beneath the artwork. Paired with a white cargo-style skirt and brown sandals, shown in a full-length mirror selfie against a neutral indoor background.

The Librarian Did It Mascot T-Shirt

Name: The Librarian Did It Mascot T-Shirt
SKU: 2027TS1-2000
Availability: InStock

Price range: $9.49 through $16.99

The mystery is solved… The Librarian Did It! Celebrate your love of libraries with this playful T-shirt featuring Inspector Whiskers. Laurie Conley’s charming detective cat takes center stage with this mischievous slogan, making this a fun choice for librarians, library staff, volunteers, and mystery lovers alike. Scroll down in this listing for fit guidance.

Available in two styles:

Purple Heather – Unisex Fit: A classic Gildan Softstyle crewneck T-shirt with a relaxed, comfortable fit. Sizes Small to 5X.
True Royal – Women’s Fit: A flattering, more fitted silhouette with a classic crewneck. Sizes Small to 3X.

Perfect for summer reading programs, library events, or everyday wear. Show off your library pride and let everyone know who’s behind the mystery!

Sold individually. Select your preferred style and size. Scroll down to choose your best fit!

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SKU: 2027TS1-2000 Categories: Inspector Whiskers Products, Shirts Tags: Gildan, heather purple, Librarian Whodunit, men's, Port & Co., Purple T-shirt, royal blue, t-shirt for women, tee, The Librarian Did It, tshirt, unisex, women's cut, women's cut tee, women's t-shirt, women's tee, women's tshirt

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Gildan Unisex Soft Style T-Shirt – complete spec sheet for measurements and sizing
- This is the same soft style unisex t-shirt we’ve used since 2024 so if you’ve ordered from us in the recent past, you can order the same size in unisex.
- If it’s been a while since you’ve ordered a t-shirt from us, as a seasonal store, exchanges and returns are time-sensitive and mailing back is at the purchaser’s expense so, please measure!
Port & Co Women’s Cut T-Shirt – complete spec sheet for measurements and sizing
- A note on women’s t-shirt for 2027. For both 2025 and 2026, we used a Gildan softstyle women’s cut t-shirt but we had many sizing complaints. We’ve gone back to the Port & Co. brand which isn’t as soft, but is more generous in sizing and not as much of a slim fit.
- If it’s been a while since you’ve ordered a t-shirt from us, as a seasonal store, exchanges and returns are time-sensitive and mailing back is at the purchaser’s expense so, please measure!