The Art and Science of Dermal Formulation Development is a comprehensive guide to the theory and practice of transdermal and topical formulation development, covering preclinical studies, evaluation, and regulatory approval. It enables the reader to understand the opportunities and challenges in developing products and how risks can be mitigated. Over the last 25 years, expertise in this area has declined whilst drug delivery systems for other administration route...

Everyone's favorite aardvark, Arthur, is back in this exciting reissue of a favorite friendship story.Arthur is carefully working on his science fair project -- a model of the human heart -- when an overexcited Pal runs through and ruins it! Will Arthur's friends be able to help -- and in time for the fair?

Everyone's favorite aardvark, Arthur, is back in this exciting reissue of a favorite fall story!Arthur has a big job to do: raking all of the leaves in the backyard. He tries to focus, but jumping in the leaves is way more fun than raking them. How will he ever finish? Arthur will need some help from his friends for this task!

Everone's favorite aardvark, Arthur, is back in this exciting reissue of a favorite winter story!It's the perfect snow day, and Arthur is excited to spend it with his friends. But because his little sister D.W. is too small, he has to wait for the snow plow to come by. Arthur waits so long, his friends have finished sledding! Will his snow day get any better? With a little help from Dad, Arthur realizes some things are worth waiting for.

Everyone's favorite aardvark, Arthur, is back in this exciting reissue -- just in time for school!Everyone's favorite aardvark, Arthur, is back in this exciting reissue -- just in time for school!Arthur and his friends are getting ready for school! Get a sneak peek at every character's morning routine, from Francine preparing for recess to the Brain searching for his lost lizard. D.W. wishes she could join in the fun, but she's still too young for school. Can she find he...

From Marc Brown, the bestselling creator of the beloved kids' series, Arthur, comes the charming new world of HOP! Meet Hop, Benny, and all the Fair Village friends in a story that celebrates kindness, differences, and acceptance!Hop and his friends lived in Fair Village. It was a fine place to live and filled with adventures.One fine morning, Hop and Benny meet a crying troll named Helga -- she wants to see more of Fair Village but is worried abou...

Arthur and the Lost Diary — Sue Ellen confides everything to her trusty diary. But when she loses it in the library, the hunt is on. The problem is, will someone else find it?

Arthur Rocks with BINKYThe gang is so excited when they get coveted tickets to the BINKY concert. And now, Arthur is in for the chance of a lifetime, but will he realize that not sharing the excitement with his friends will make for a hollow experience?

There's a year's worth of Crunch Cereal on the line...and it'll be awarded to the composer of the best jingle. Arthur is so determined to win, he almost forgets about fairness.

Francine, Believe It or NotMuffy is so sure that Francine can’t be nice for a whole week that she bets her Princess Peach watch on it. Arthur and his friends push Francine to her limits, but she doesn’t lose her temper — at first. Will Francine be able to keep her cool and win the coveted watch?

Arthur and the Popularity TestFern and Sue Ellen find that the test with no correct answers is the hardest on to learn from of all.

Arthur and his friends are back in this brand-new graphic novel about creativity and confidence from beloved and New York Times bestselling creators Marc Brown and Jarrett J. Krosoczka.Arthur and his classmates each have a week to write a story about something that’s important to them. And at first, Arthur is thrilled—he has the perfect idea! He’s going to make a comic about how he got his puppy, Pal. But everyone who read...