The Ten Books on Architecture Assistant

Answers questions on Charles Darwin's On the Origin of Species: natural selection, variation and the struggle for existence, quoting the 1859 text from Project Gutenberg (public domain) and naming the chapter.

Answers questions on Arnold Bennett's How to Live on 24 Hours a Day: using the hours outside work to read, think and live fully, quoting the text from Project Gutenberg (public domain) and naming the chapter.

Answers questions on William Strunk's The Elements of Style (1918): rules of usage, principles of composition and words often misused, quoting the text from Project Gutenberg (public domain) and naming the rule.

Answers questions on Goethe's Theory of Colours: physiological colours, coloured shadows and the effects of colour on the mind, quoting Charles Eastlake's translation from Project Gutenberg (public domain) and naming the paragraph.

Answers questions on Arthur Wesley Dow's Composition: line, notan (dark and light) and colour as the structure of art, with exercises, quoting the text from Project Gutenberg (public domain) and naming the section.

Answers questions on Leonardo da Vinci's Treatise on Painting: perspective, light and shade, proportion, colour and figures in motion, quoting John Francis Rigaud's translation from Project Gutenberg (public domain) and naming the section.