TT-093 · work-drill
Daily Drill
반복 드릴 · Workbooks & Practice
Red and ink with heavy condensed numerals. One page of repetition a day.
- Cover
- Chapter opener
- Body (example)
- How to use
Previews come from the same sample manuscript (“[Example] Fundamentals of Data Science”) built in this style.

About this style
| Family | Workbooks & Practice — Write-in workbooks and drill books. Answer lines, dot grids, check boxes. |
|---|---|
| Best for | Arithmetic drills, page-a-day workbooks |
| Use cases | Workbooks & drills |
| Mood | BoldLively |
| Formality · Age group | Balanced · Elementary, Secondary |
Color palette
- accent
#B82828 - accent 2
#343A40 - tint
#FCEAEA - paper
#F3F3F4 - ink
#161616 - body text
#2B2B2B - muted text
#5E5E5E - rule
#DBC6C9 - dark surface
#20181D - warning
#9A3412
Fonts
| Font | Role | License |
|---|---|---|
| IBM Plex Sans | Body | SIL Open Font License 1.1 |
| Oswald | Headings | SIL Open Font License 1.1 |
| Lexend | Labels & chapter labels | SIL Open Font License 1.1 |
| Anton | Chapter numbers & folios | SIL Open Font License 1.1 |
| JetBrains Mono | Code | SIL Open Font License 1.1 |
| Pretendard | Fallback | SIL Open Font License 1.1 |
| IBM Plex Serif | Math variables (italic) | SIL Open Font License 1.1 |
Building blocks
| Chapter opener | Framed |
|---|---|
| Element boxes | Card with shadow |
| Tables | Highlighted first column |
| Running head | Color band |
| Cover | White cover |
Format and build checks
188 × 257 mm · type area 146 × 209 mm · body 9.5pt/16pt
Margins top 22 · bottom 26 · inside 24 · outside 18 mm
All build checks passedMin. contrast 4.95:1TOC 20/20Overflow: 0Fonts embedded · OFL ✓Print preflight ✓
Textbook pack (English edition)
A new-book pack (.zip) in this style: theme CSS, fonts (OFL), build and check tools, an example chapter, an empty chapter skeleton and a sample PDF. 188 × 257 mm, PDF/X-4 and CMYK for offset print.
Pack size 9.5 MB · version 2026.10.08
KDP products in this style
No KDP product uses this style yet. Styles with the most requests get products first.
Planned products in this style (not on sale yet)
Start a new book in this style (free form)
- Get the textbook pack and unzip it → folder
book-work-drill-en. - Fill in the form and select Download files (.zip). A custom
book.jsonand one skeleton file per chapter are generated in this browser (nothing is uploaded, free). - Unzip the download over the pack folder, then run
build.bat(or./build.sh).
Preview book.json
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