Son of Doctor Esker's Notebook (The Sequel)

Hint
Small #1	343	650	438	395	361	210	425	409	157	317
Small #2	338	666	442	409	347	172	417	423	169	299
Small #3	301	645	407	419	360	160	403	412	151	284
Medium #1	333	673	406	414	299	146	399	445	151	303
Medium #2	313	648	348	396	298	146	362	443	142	309
Medium #3	320	662	313	392	241	136	347	446	143	276
Large #1	277	729	325	430	211	160	335	458	163	323
Large #2	259	691	285	434	251	155	294	434	150	303
Large #3	240	575	305	331	223	212	322	441	162	364

Return of Doctor Esker's Notebook (The Other Sequel)

Hint
Small #1	139	201	178	73	173	120	81	110	148	116
Small #2	125	194	171	66	181	113	80	106	148	115
Small #3	121	199	176	66	175	100	78	112	138	120
Medium #1	123	191	191	80	181	106	85	114	166	122
Medium #2	123	181	199	77	176	102	95	109	159	108
Medium #3	126	181	197	79	172	91	81	108	137	110
Large #1	125	188	217	85	179	83	80	110	113	132
Large #2	89	166	178	82	196	74	89	104	106	136
Large #3	87	170	169	100	166	76	79	75	75	130

Doctor Esker's Notebook IV: The Moroccan Affair
(The Other Other Sequel)

Hint
Small #1	24	25	34	66	51	56	35	67	86	27
Small #2	24	25	32	58	53	56	33	69	69	29
Small #3	21	24	31	57	49	68	30	65	76	30
Medium #1	22	22	34	65	50	64	32	64	78	31
Medium #2	18	17	31	63	43	51	29	61	81	23
Medium #3	15	17	32	49	40	48	32	58	86	28
Large #1	15	15	34	45	38	56	28	58	66	30
Large #2	13	16	33	35	28	44	24	49	46	28
Large #3	20	21	30	40	28	46	31	49	44	41

The hints are sorted by how much help they give you.
The last Large Hint on each page comes very close to just giving you the solution.