1. 01 Invariant
2. 02The Rule of False Positions
3. 03 Continued Fraction
4. 04 The Law of Signs
5. 05 Ungula
6. 06 Pascal's Triangle
7. 07 Parallelagram
8. 08 Imaginary Number
9. 09 Harmonic Analysis of Periodic Function
1. 01 Joins Rambles
2. The Switch Says Go
3. 02 Buried
4. There Aren't Enough of Us
5. The Edge of the Front
1. Fifty in June
2. 01 The Dangerous Empty
3. A Boy in September
4. Heart of Mine, Beating
5. About the Time I Rembered
6. Square Wheels
7. 07 Lost At Seven
8. Early on Later Off
9. I Could Tell You Everything