The phrase "also includes a handful" is correct and usable in written English.
It can be used when you want to indicate that in addition to other items or elements, there are a few more that are being mentioned.
Example: "The report covers various topics, and it also includes a handful of case studies to illustrate the findings."
Alternatives: "also comprises a few" or "additionally contains several".
The collection also includes a handful of published documents (handbills, study-books, and speeches).
The 18-strong longlist for the £3,000 prize also includes a handful of well-received first novels.
The exhibition also includes a handful of photographs, sculptures and drawings, all of them related to the landscape tradition.
It also includes a handful of moving nudes by Michelangelo, a hero to both men, from the Ashmolean Museum's outstanding collection of drawings.
It also includes a handful of useful features like the ability to receive an e-mail alert if more than a certain number of your friends share a particular story.
The book also includes a handful of specimens from deep comics history — a Sunday-newspaper page of "Krazy Kat," one of "Gasoline Alley"and a few others, though all were chosen because they "have retained a 'modern' sensibility accessible to today's reader".
They also include a handful of non-U.S.
Wonderbra's poster will also include a handful of celebrities - including Jessica Hinds, Debra Stephenson and Carol McGiffin - who where photographed posing in their Wonderbras at a shoot in north London last week.
Finally, Mr Cartier-Bresson has also included a handful of photographs taken in Paris by Eugène Atget and contemporaries such as Lisette Model and Robert Doisneau.
Clinton's plan also included a handful of other safeguards, like out-of-pocket caps and an independent appeals process, designed to protect consumers from deficient insurance.
But they also include a handful of researchers who think climate change is happening, but -- for various reasons -- are skeptical that mainstream science fully understands the phenomenon.
