Meet your hosts! Mac Barnett, Jon Klassen, and yours truly ready to greet our guests.

Greenery and winter wonderland vibes (throughout our event) provided by The Plant Library.

Families lining up outside The Ferry Building's doors.

Our play space—filled with cookies by OLYRA, books by Candlewick Press, and play things by Lalo, Melissa & Doug, Gathre, and Mylle—in a brief moment of calm before the kiddies came.

The book of the day—Mac & Jon's latest creation: How Does Santa Go Down The Chimney?

Biscuits and cookies by OLYRA that the kids quickly gobbled up.

OLYRA's ancient grain, fruit-filled wonders.

Reading books in the Mylle pool.

Lalo's Play Tent turned reading corner, thanks to a stack of Jon & Mac classics and other Candlewick Press titles.

Storytime with Candlewick Press!

Lalo's Play Kitchen—filled with kitchen supplies by Melissa & Doug—was a huge hit!

Play Table and Chairs by Lalo, treats by OLYRA, pool by Mylle, and plant life by The Plant Library.

The Play Set by Lalo includes stick-on, made-to-size coloring sheets.

Kids also got to make How Does Santa Go Down The Chimney? bookmarks by Candlewick Press.

Happy little campers.

Arts + crafts tables for the kids, courtesy of MAJO Ideas.

MAJO Ideas creates artist-inspired, sticker-based art packs designed for ages 4 and up.

Busy hands, busy minds.

Little artists at work.

With photographer and mama of 3, Hannah Suh.

Grabbing warm herbal tea from the Traditional Medicinals station.

A beautiful and tasty set-up.

Teas on tap included Traditional Medicinals options for pregnancy, postpartum, stress, immunity support, and much more!

Tea talk!

Next door to Traditional Medicinals was an overflowing snack table hosted by Good Eggs.

Kids got to load up on delcious Good Eggs snacks.

And adults who signed up for a Good Eggs subscription got their choice of artisanal, locally made products.

Just some of the incredible items on the Good Eggs site.

Author, yogi, and mama of two Sarah Ezrin grabbing some Good Eggs treats.

Guests checking out our activations before Jon and Mac's reading begins.

Adorable PJ brand Dodo Banana set up a cheerful holiday display.

In addition to PJs, there were matching cookies by The Rounds and cheeky hair clips by Eugenia.

We're obsessed with these new Dodo Banana x Amanda Jane Jones holiday PJs!

The Dodo Banana x Amanda Jane Jones PJs were inspired by Amanda's new interactive book, Decorate The Tree!

We also love this holiday candy print PJ made in collaboration with S.F. based artist Lena Corwin.

Team Dodo!

Vintage-slinging mama Rebecca Wright and her cute kiddos.

Enjoying our snow-like seating area before story time begins.

Holiday vibes all around.

We love all of these sweet little details by The Plant Library.

Snuggling up with fellow kid-lit obsessive Taylor Sterling.

Modern diaper brand Coterie provided diaper and wipes for families, as well as beautiful blooms and affirmations for parents.

Coterie—a favorite of Earth-minded mamas coast-to-coast.

And of course the kiddos loved the cookies!

Thank you, Coterie, for these sweet reminders. We loved seeing parents walking away with a little something for themselves.

Kicking off the main show: story time!

No suprirse to anyone: Jon and Mac were a hit!

The kids were enamoured.

And so were the parents.

They read from their new book, How Does Santa Go Down The Chimney?

Meanwhile, the kids had their own ideas about Santa's sneaky behavior.

They also talked to the crowd about how they became artists.

And they read from some of their beloved books, including the Shape trilogy.

They truly love kids!

And the kids feel the same way.

We all got to see Jon draw live, on-the-spot.

Impressive!

The bond between these two friends and creative collaborators is such a joy to witness.

The kids—and parents—ate it up.

(And literally ate—thanks Good Eggs!)

Questions, anyone?

The Ferry Building's own Book Passage setting up shop for book sales and signings.

So many great Jon and Mac titles to choose from.

One of hundreds of books that got signed.

All in a joyous manner.

Mac and Jon graciously took time with each family and child who visited them–signing each book with custom illustrations, too.

A steady line, all event-long.

The Ferry Building looking extra-festive this holiday season.

Waiting patiently.

While the kids busied themselves.

Pure family fun and love.

A colorful queue.

We spy Jon's new middle grade book, The Skull.

Cheeeese!

Thank you, The Ferry Building, for hosting us!