This is the The Apothecary Diaries by Natsu Hyuuga Vol. 1-15 Complete Manga Collection Set by Natsu Hyuuga, Nekokurage & Itsuki Nanao book set, includes:

The Apothecary Diaries 15 (Manga)
ISBN: 9781646094561

The Apothecary Diaries 14 (Manga)
ISBN: 9781646094226

The Apothecary Diaries 13 (Manga)
ISBN: 9781646093472

The Apothecary Diaries 12 (Manga)
ISBN: 9781646092963

The Apothecary Diaries 11 (Manga)
ISBN: 9781646092529

The Apothecary Diaries 10 (Manga)
ISBN: 9781646091362

The Apothecary Diaries 09 (Manga)
ISBN: 9781646091355

The Apothecary Diaries 08 (Manga)
ISBN: 9781646091348

The Apothecary Diaries 07 (Manga)
ISBN: 9781646091201

The Apothecary Diaries 06 (Manga)
ISBN: 9781646090860

The Apothecary Diaries 05 (Manga)
ISBN: 9781646090747

The Apothecary Diaries 04 (Manga)
ISBN: 9781646090730

The Apothecary Diaries 03 (Manga)
ISBN: 9781646090723

The Apothecary Diaries 02 (Manga)
ISBN: 9781646090716

The Apothecary Diaries 01 (Manga)
ISBN: 9781646090709

Biographical Note:
Natsu Hyuuga is the author of The Apothecary Diaries light novel series.